CN101999381B - Emamectinbenzoate thiodicarb insecticide - Google Patents
Emamectinbenzoate thiodicarb insecticide Download PDFInfo
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Abstract
The invention relates to an emamectin benzoate thiodicarb insecticide, comprising effective active ingredients, auxiliaries and solvents or fillers and is characterized in that the effective active ingredients account for 10-90% of the finished drug in percentage by weight and are composed of emamectin benzoate and thiodicarb in weight ratio of 1:10-80. The insecticide has the advantages that the emamectin benzoate and the thiodicarb are compounded, thereby having obvious synergia and continuous control effects; the insecticidal spectrum is expanded, and the insecticide has higher activity on lepidoptera injurious insects, such as tryporyza incertulas, chilo suppressalis, and cnaphalocrocis medinalis for rice, brassicaceous vegetable plutella xylostella, cabbage caterpillar, beet armyworms, prodenia litura, cotton bollworms for cottons, pectinophora gossypiella and the like; the dosage of the insecticide is lowered, the residual quantity of the insecticide in crops and soils is reduced, environmental contamination is lightened; and the insecticide is safe to people and livestock, has good environmental compatibility and is difficult to generate resistance to drugs for the injurious insects.
Description
Technical field:
The invention belongs to the agricultural chemicals of control pest, relate to the composite insecticide that a kind of effective active composition is emamectin-benzoate and thiodicarb.
Background technology:
Chemical pesticide is the effective means of prevention and elimination of disease and pests.Effectively preventing measure especially when popular in disease especially, insect pest breaks out.Along with the development of Chinese national economy and the raising of living standards of the people, national health consciousness and environmental consciousness strengthen day by day, and the requirement of pollution-free food is also grown with each passing day.Use the harmless boilogical agricultural chemicals to replace the cry of the high malicious chemical pesticide of tradition more and more high, the environment protection biological agricultural chemicals becomes the research and development focus for the moment.That biopesticide has is nontoxic, free from environmental pollution on the person poultry safety, not killed natural enemies and beneficial organism, do not affect the remarkable advantages such as crops quality, won gradually people's trust and high praise.But all also there are some shortcomings in they, drug effect reaction is slower, does not possess that the chemical pesticide consumption is few, the advantage of instant effect, while running into sudden and crushing damage by disease and insect, and unbearable important task especially.This just provides good market opportunity for marginal biochemical Recompounded pesticide.Biochemical Recompounded pesticide is novel dose that biopesticide and chemical pesticide are composited by a certain percentage, than chemical pesticide low toxicity, more efficient than biopesticide, but it is to the person poultry safety, compatible with ecology, thereby is representing the developing direction of Pesticidal products.
Emamectin-benzoate, English common name emamectinbenzoate; Trade name Proclaim ο R (banleptm).A kind of new and effective semisynthetic antibiotics insecticide that starts to synthesize from the fermented product AVERMECTIN B1, to the existing stomach poison function of insect double action of contace poison again.Its mechanism of action is to strengthen neurotic effect as glutamic acid and γ mono-aminobutyric acid (GABA), thereby make a large amount of chlorions enter nerve cell, cell function is lost, upset nerve conduction, larva stops feed at once afterwards in contact, irreversible paralysis occurs, and reaches the highest lethality rate in 3-4 days.It has super-high-efficient, low toxicity (preparation is closely nontoxic), noresidue, the nuisanceless characteristics that wait biopesticide, than parent compound abamectin pest killing activity, improved 1-3 the order of magnitude, activity to Lepidoptera, diptera, mite class and other many insects is high, under low-down dosage, has good effect.
Thiodicarb, English common name thiodicarb; Chemical name is 3,7,9,13-tetramethyl-5,11-dioxa-2,8,14-tri-thias-4,7,9,12-tetra-azepine pentadecanes-3,12-diene-6,10-diketone, other title: La Weiyin.Be a kind of double carbamate insecticides, insect be take to stomach poison function as main, have action of contace poison concurrently, without stifling and systemic action, stronger selectivity is arranged, the longevity of residure is very short in soil.Its mechanism of action is neural inhibition, namely by acetylcholine esterase inhibition activity, hinders the activate again of transmitter in nerve fibre and causes insect to be poisoned to death.It can ovicidal, also can kill larva and adult.Its ovicidal activity is higher, shows as three aspects: the unhatched ovum of (1) liquid contact can stop the hatching of ovum or the larva after hatching can not grow to 2 ages namely dead; (2) after dispenser, 3 days ovum with interior product can not be hatched and maybe can not be completed children's phase and grow; While (3) after the ovum hatching, going out shell, can effectively kill newly hatched larvae because chewing egg membrane.Mature larvae is large because of food ingestion, and this medicine also can reach the very high larva effect of killing equally.In structure due to thiodicarb, introduce thioether bond, therefore, to take oxidative metabolism as the machine-processed resistant insect strain of removing toxic substances, also had higher insecticidal activity.Thiodicarb has special efficacy to lepidoptera pest, and ovicidal action is arranged, and also can be used in addition preventing and treating coleoptera, diptera and Hymenoptera insect.Be applicable to the insects such as control cotton bollworm, pink bollworm, leaf rollers, heart-eating worm class, cabbage caterpillar, agrotis, prodenia litura, tomato moth, striped rice borer, leaf-roller, potato tuberworm, the thin moth of tea, tea olethreutid such as cotton, fruit tree, vegetables, paddy rice and economic crops.
Summary of the invention:
The object of the invention is to: for using separately at present emamectin-benzoate and thiodicarb pest control, dosage is larger, cost is higher, reuses the practical problem that insect easily produces resistance, and a kind of composite emamectin-benzoate thiodicarb insecticide is provided.Fully different to the mechanism of action of target pest with thiodicarb due to emamectin-benzoate, both composite uses can fully improve the performance of drug effect, improve insecticidal effect, reduce dosage, reduce costs, and delay the generation of pest resistance.
The object of the present invention is achieved like this: a kind of emamectin-benzoate thiodicarb compounded pesticides, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the percentage by weight that the effective active composition accounts in the finished product medicament is 10～90%, the effective active composition is comprised of emamectin-benzoate and thiodicarb, and the weight proportion of emamectin-benzoate and thiodicarb is 1: 10～80.
The percentage by weight that the compounded pesticides the present invention relates to, auxiliary agent account in the finished product medicament is 5～30%, and the percentage by weight that solvent or filling auxiliary material account in the finished product medicament is 5～75%.In the effective active composition, the weight proportion of emamectin-benzoate and thiodicarb also can be 1: 10～50.
The auxiliary agent the present invention relates to is for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the conventional auxiliary agent used during effervescent tablet; The filling auxiliary material related to is for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the routine of using during effervescent tablet is filled auxiliary material; The solvent related to is organic solvent or water.The formulation related to is the effective active composition with corresponding auxiliary agent, fills the wetting powder that auxiliary material or solvent are produced, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or effervescent tablet.
The invention has the advantages that: after emamectin-benzoate and thiodicarb are composite, have notable synergistic and lasting control efficiency; Enlarged insecticidal spectrum, the lepidoptera pests such as Yellow Rice Borer, striped rice borer, leaf-roller, brassicaceous vegetable diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, cotton cotton bollworm, pink bollworm have been had to greater activity; Reduce the dosage of agricultural chemicals, reduced the residual quantity of agricultural chemicals in crop and soil, alleviated environmental pollution; , insect good to person poultry safety, Environmental compatibility is difficult for developing immunity to drugs.
Embodiment:
In each of the embodiments described below, Methylaminoemamectin benzoate is produced by Zhejiang Hisun Chemical Co., Ltd; The former medicine of thiodicarb is produced by Jiangsu Changlong Chemical Co.
Embodiment 1,
The preparation of 72% first dimension thiodicarb water dispersible granules (WG) (weight proportion of emamectin-benzoate and thiodicarb 1: 35):
Auxiliary agent is selected: wetting agent DT886 or EFW or LS; Dispersant MS or DT51 or D425.
Filler is selected: kaolin, precipitated calcium carbonate.
Disintegrant: anhydrous sodium sulfate, natrium carbonicum calcinatum, ammonium sulfate.
Binding agent: glucose.
Each component is got the raw materials ready according to percentage by weight:
Thiodicarb: 70%; Emamectin-benzoate: 2%; Dispersant MS or DT51 or D425:3-12%; Wetting agent DT886 or LS or EFW:2-6%; Disintegrant anhydrous sodium sulfate or natrium carbonicum calcinatum or ammonium sulfate: 2-5%; Binding agent: glucose 0.5-2%; Filler kaolin or precipitated calcium carbonate: surplus.
Preparation process: by thiodicarb TC, emamectin-benzoate TC, add successively again dispersant, wetting agent, disintegrant, binding agent, then with kaolin or precipitated calcium carbonate, be filled to 100%, above-mentioned mixing of materials is even, carry out air-flow crushing, be mixed again even after, add water 10-15% and mix; Through extruding or its prilling process, make granular, more whole grain dry water dispersant.
Embodiment 2,
The preparation of 41% first dimension thiodicarb aqueous suspension agent (SC) (weight proportion of emamectin-benzoate and thiodicarb 1: 40):
Auxiliary agent is selected: agriculture breast 33#, or agriculture breast 500#, or agriculture breast 601#, or EFW.
Stabilizing agent: BHT.
Thickener: CMC, XG.
Defoamer: organic silicone.
Antifreezing agent: ethylene glycol.
Solvent is selected: water.
Each component is got the raw materials ready according to percentage by weight:
Thiodicarb: 40%; Emamectin-benzoate: 1%; EFW:1-3%; Agriculture breast 33# or agriculture breast 500# or agriculture breast 601# or EFW:3-7%; Stabilizing agent BHT:1-5%; Thickener CMC or XG:0.2-1%; Antifreezing agent: ethylene glycol: 1-3%; Defoamer: organic silicone: 0.5-2%; Water: mend to 100%; Make composition suspending agent.
Preparation process: will be placed according to the above ratio reactor by thiodicarb TC, emamectin-benzoate TC, EFW, agriculture breast 33# or agriculture breast 500# or agriculture breast 601# or EFW, BHT, CMC or XG, ethylene glycol, organic silicone, water adds to 100% and mixes, then mixture is introduced in sand mill to be milled to fineness of materials be 1-5um; After milling again the allotment mix aqueous suspension agent.
Embodiment 3,
The preparation of 78% first dimension thiodicarb wetting powder (WP) (weight proportion of emamectin-benzoate and thiodicarb 1: 25):
Auxiliary agent is selected: DT801, DT802, MS, BX, LS, NNO.
Filler is selected: kaolin, precipitated calcium carbonate.
Each component is got the raw materials ready according to percentage by weight:
Thiodicarb: 75%; Emamectin-benzoate: 3%; Wetting dispersing agent DT801 or DT802:5-10% (also available MS or NNO:3-8%; Wetting agent BX or LS:2-7%); Filler: kaolin or precipitated calcium carbonate; Make composition after air-flow crushing mixes again wetting powder.
Preparation process: thiodicarb TC, emamectin-benzoate TC, DT801 or DT802 (also available MS or NNO; Wetting agent BX or LS), be placed according to the above ratio blender, with kaolin or precipitated calcium carbonate, be filled to 100%.All materials mix in blender after, pulverize through airslide disintegrating mill, again mix wetting powder.
Embodiment 4,
The preparation of 52% first dimension thiodicarb effervescent tablet (weight proportion of emamectin-benzoate and thiodicarb 1: 25):
Auxiliary agent is selected: dispersant MS or NNO, profit wetting agent BX or LS.
Acid effervescent agent: citric acid.
Alkalescence effervescent agent: natrium carbonicum calcinatum.
Disintegrant: aluminium chloride.
Binding agent: starch or glucose.
Filler is selected: kaolin or precipitated calcium carbonate.
Each component is got the raw materials ready according to percentage by weight:
Thiodicarb: 50%; Emamectin-benzoate: 2%; Dispersant MS or NNO:4-12%; Profit wetting agent BX or LS:2-6%; Disintegrant aluminium chloride: 2-8%; Acid effervescent agent: 4-10%; Alkalescence effervescent agent: 4-10%; Adhesive starch or glucose: 3-5%; Filler kaolin or precipitated calcium carbonate: add to 100%; Make the composition effervescent tablet.
Preparation process:
Thiodicarb TC, emamectin-benzoate TC, MS or NNO, BX or LS, aluminium chloride, acid effervescent agent, alkaline effervescent agent, starch or glucose, be placed according to the above ratio blender, with kaolin or precipitated calcium carbonate, be filled to 100%: all materials mix in blender after, through airslide disintegrating mill, pulverize, again mix, then can the cost agent through mechanical presses.
Embodiment 5,
Toxicity Determination
For trying insect: striped rice borer used is the pieces of an egg that gather in the rice seedling bed of Nanjing Gaochun County, at the ant snout moth's larva of indoor feeding 1 age in days.
Tested medicine: the former medicine of Methylaminoemamectin benzoate and thiodicarb was by 1: 25,1: 35,1: 40 composite (composite voluntarily);
Drugs compared: the former medicine of thiodicarb, Methylaminoemamectin benzoate.
Assay method: infusion process.
After thiodicarb and emamectin-benzoate are dissolved with acetone and DMF respectively, add cumulative volume 5%Triton-100, mix respectively, water be diluted to respectively 5 series concentration for reagent liquid.Prepare 10% acetone+1%DMF+ emulsifier triton X-100 (0.1%) mother liquor, using 500 times of distilled water dilutings as blank solution.Medication liquid infusion process is measured, and rice seedling is soaked and took out airing in into the liquid 15 seconds, connects 20 of worms, in 28 ± 2 ℃ of thermostatic chambers, and the dead borer population of 48h investigation after medicine, calculation correction lethality.According to the method that (1960) such as Sun Yunpei propose, calculate co-toxicity coefficient.Co-toxicity coefficient is greater than 120 and is synergistic effect, and co-toxicity coefficient is summation action between 80～120, and co-toxicity coefficient is less than 80 for antagonism, carries out the pharmacy effect evaluation as standard.
Indoor synergism test result (table 1) shows, after the former medicine of Methylaminoemamectin benzoate and thiodicarb is composite by 1: 25,1: 35,1: 40, toxicity to striped rice borer strengthens, and the co-toxicity coefficient of three proportionings all is greater than 120, shows significant synergistic effect.
The synergy measurement result of table 1 thiodicarb proportioning 48hs different from emamectin-benzoate to striped rice borer
Embodiment 6,
78% first dimension thiodicarb WP control diamond-back moth test
Experimental period: on April 25th, 2010 carried out in academy of agricultural sciences, Jiangsu Province cabbage field.
Experimental agents: tie up thiodicarb WP (1: 25) by 78% first that embodiment 3 provides;
Drugs compared: 1% emamectin-benzoate EC, Jiangsu Dongbao Pesticide Chemical Co., Ltd. produces; 75% thiodicarb WP, Jiangsu chemical industry Co., Ltd of auspicious nation produces.
Field control effectiveness test: adopt the anti-therapy of spraying.In the phase dispenser of diamond-back moth low instar larvae, be watered 45Kg even spraying ，Mei community 20m by every mu of consumption
2, be a processing, 4 repetitions are established in each processing, and establish the protection row.After medicine, 1 day, 3 days, 7 days investigation life or death borer populations, calculate control efficiency.
Table 278% first dimension thiodicarb WP control diamond-back moth field test results
Field test results (table 2) shows: after 78% first dimension thiodicarb WP mu consumption 20 grams, 25 grams, 30 gram dispensers, 1 day control efficiency to diamond-back moth is respectively 78.21%, 82.11%, 87.31%; After dispenser, 3 days control efficiency to diamond-back moth are respectively 85.42%, 89.71%, 92.44%; After dispenser, 7 days control efficiency to diamond-back moth are respectively 87.55%, 92.18%, 96.48%.After the 1% emamectin-benzoate EC mu consumption 80ml dispenser of contrast medicament, 1 day, 3 days, the 7 days control efficiency to diamond-back moth are respectively 76.33%, 84.45%, 88.17%; After another contrast medicament 75% thiodicarb WP mu consumption 50 gram medicines, 1 day, 3 days, the 7 days control efficiency to diamond-back moth are respectively 56.87%, 64.32%, 78.23%.Show that thus 78% first dimension thiodicarb WP mu consumption 25 grams, 30 grams are better than two contrast medicaments to the control efficiency of diamond-back moth.
Embodiment 7,
72% first dimension thiodicarb WG control three generations rice leaf roller test
Experimental period: on August 1st, 2009 carried out in the family paddy field is contracted in Tang Shan town, Jiangning county one
Experimental agents: tie up thiodicarb WG (1: 35) by 72% first that embodiment 1 provides
Drugs compared: 5% Frontline SC, du pont company production.
Field control effectiveness test: adopt the anti-therapy of spraying.In rice leaf roller 1 instar larvae peak period dispenser, each single dose and built agent are watered to 40 kilograms of even spraying by the mu consumption, the spray clear water of take is the blank processing.Every community area 30m
2, be a processing, 4 repetitions are established in each processing, and each processes the separation of the Yi Xiao ridge, minizone, and establishes protection Hang， community and adopt random district group to arrange.After dispenser, adopted 5 samplings of parallel jump method in 15 days, residual borer population alive is looked in investigation leaf roll number stripping, calculates control efficiency.
Insecticidal effect:
After medicine 15 days, 72% first dimension thiodicarb WG mu consumption 25g, 30g, 35g insecticidal effect were respectively 87.34%, 89.38%, 94.04%, and the insecticidal effect of contrast medicament 5% Frontline SC mu consumption 40ml is 85.49%.Result shows that 72% first dimension thiodicarb WG is all showing favorable effect (in Table 3) under amount of reagent to the three generations rice leaf roller.
Protecting effect of leaves:
After medicine 15 days, 72% first dimension thiodicarb WG mu consumption 25g, 30g, 35g protecting effect of leaves were respectively 90.19%, 91.87%, 97.00%; Contrast medicament 5% Frontline SC mu consumption 40ml protecting effect of leaves is 90.05%.Show 72% first dimension thiodicarb WG for protecting effect of leaves under amount of reagent higher than contrast medicament (in Table 3).
Table 372% first dimension thiodicarb WG control three generations rice leaf roller field test results
Embodiment 8,
41% first dimension thiodicarb SC control prodenia litura test
Experimental period: on September 15th, 2009 carried out in academy of agricultural sciences, Jiangsu Province cabbage field.
Experimental agents: tie up thiodicarb SC (1: 40) by 41% first that embodiment 2 provides.
Drugs compared: 5% emamectin-benzoate WG, Shandong Hengfeng chemistry Co., Ltd produces.
Field control effectiveness test: adopt the anti-therapy of spraying.In the peak period dispenser of prodenia litura first-instar young, be watered 45Kg even spraying ，Mei community 20m by every mu of consumption
2, be a processing, 4 repetitions are established in each processing, and establish the protection row.After medicine, 7 days, 15 days investigation life or death borer populations, calculate control efficiency.
Table 441% first dimension thiodicarb SC control wild cabbage prodenia litura field test results
Field test results (table 4) shows: after 41% first dimension thiodicarb SC mu consumption 60ml, 80ml, 100ml dispenser, 7 days control efficiency to diamond-back moth are respectively 90.93%, 93.67%, 94.07%; After dispenser, 15 days control efficiency to diamond-back moth are respectively 89.80%, 93.73%, 96.17%, and after the 5% emamectin-benzoate WG mu consumption 10g dispenser of contrast medicament, 7 days, the 15 days control efficiency to diamond-back moth are respectively 91.13% and 91.17%.Therefore, 41% first dimension thiodicarb SC is having very high control efficiency under amount of reagent to diamond-back moth.
The various embodiments described above are not to concrete restriction of the present invention, during concrete enforcement, the weight proportion of effective active composition emamectin-benzoate and thiodicarb can be selected between 1: 10～80, described auxiliary agent can be for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the conventional auxiliary agent of effervescent tablet; Described filling auxiliary material can be the production wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the routine of effervescent tablet is filled auxiliary material; Described solvent is organic solvent or water; The formulation that the formulation related to is not limited to exemplify in embodiment.
Claims (4)
1. the compounded pesticides of an emamectin-benzoate and thiodicarb, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the effective active composition is comprised of emamectin-benzoate and thiodicarb, the percentage by weight that the effective active composition accounts in the finished product medicament is 78%, wherein, emamectin-benzoate 3%, thiodicarb 75%; Auxiliary agent is DT801 or DT802 or MS or BX or LS or NNO, and when auxiliary agent was selected DT801 or DT802, consumption was 5-10%, and when auxiliary agent was selected MS or NNO, consumption was 3-8%, and when auxiliary agent was selected BX or LS, consumption was 2-7%; Inserts is kaolin or precipitated calcium carbonate, and filler adds to 100%.
2. the compounded pesticides of an emamectin-benzoate and thiodicarb, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the effective active composition is comprised of emamectin-benzoate and thiodicarb, the percentage by weight that the effective active composition accounts in the finished product medicament is 72%, wherein, emamectin-benzoate 2%, thiodicarb 70%; Auxiliary agent is by the dispersant of 3-12%, the wetting agent of 2-6%, and the disintegrant of 2-5%, the binding agent of 0.5-2% forms; Surplus is inserts; Described dispersant is MS or DT51 or D425, and described wetting agent is DT886 or LS or EFW, and described disintegrant is anhydrous sodium sulfate or natrium carbonicum calcinatum or ammonium sulfate, and described binding agent is glucose, and described inserts is kaolin or precipitated calcium carbonate.
3. the compounded pesticides of an emamectin-benzoate and thiodicarb, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the effective active composition is comprised of emamectin-benzoate and thiodicarb, the percentage by weight that the effective active composition accounts in the finished product medicament is 52%, wherein, emamectin-benzoate 2%, thiodicarb 50%, auxiliary agent is by the dispersant of 4-12%, the wetting agent of 2-6%, the disintegrant of 2-8%, the acid effervescent agent of 4-10%, the alkaline effervescent agent of 4-10%, the binding agent of 3-5% forms, surplus is inserts, described dispersant is MS or NNO, and described wetting agent is BX or LS, and described disintegrant is aluminium chloride, described acid effervescent agent is citric acid, described alkaline effervescent agent is natrium carbonicum calcinatum, and described binding agent is starch or glucose, and described inserts is kaolin or precipitated calcium carbonate.
4. the compounded pesticides of an emamectin-benzoate and thiodicarb, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the effective active composition is comprised of emamectin-benzoate and thiodicarb, the percentage by weight that the effective active composition accounts in the finished product medicament is 41%, wherein, emamectin-benzoate 1%, thiodicarb 40%, auxiliary agent is agriculture breast 33# or agriculture breast 500# or agriculture breast 601# or EFW, when auxiliary agent is selected EFW, consumption is 1-3%, when auxiliary agent is selected agriculture breast 33# or agriculture breast 500# or agriculture breast 601#, consumption is 3-7%, stabilizing agent is BHT, and consumption is 1-5%, and thickener is CMC or XG, and consumption is 0.2-1%, and antifreezing agent is ethylene glycol, and consumption is 1-3%, and defoamer is organic silicone, and consumption is 0.5-2%, solvent is water, mends to 100%.
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| CN103004821A (en) * | 2012-12-26 | 2013-04-03 | 海利贵溪化工农药有限公司 | Insecticidal composition containing thiodicarb and spinosad |
| CN106942247A (en) * | 2017-04-21 | 2017-07-14 | 扬州大学 | Emamectin-benzoate effervescent tablet and preparation method thereof |
| CN108432785A (en) * | 2018-06-13 | 2018-08-24 | 惠州市欧野科技有限公司 | A kind of composition pesticide for tieing up rhzomorph and thiodicarb containing day |
| CN113396900A (en) * | 2021-05-20 | 2021-09-17 | 潍坊海邦化工有限公司 | Thiodicarb aqueous suspension and preparation method thereof |
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