CN103783066B - Fluorine pyribenzoxim herbicide composition - Google Patents
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Abstract
The invention discloses a fluorine pyribenzoxim herbicide composition. The herbicide composition is composed of active ingredients and auxiliary materials. The active ingredients are composed of a component A and a component B according to the weight ratio of 1:40-20:1, the component A comprises fluorine pyribenzoxim, and the component B comprises sulfonylurea, cyhalofop-butyl, penoxsulam, quinclorac, metamifop, bispyribac-sodium and pyribenzoxim. The fluorine pyribenzoxim herbicide composition is reasonable in component, the control effect is superior to the activity achieved when one single component is applied independently, and a synergistic effect is achieved; the weed controlling spectrum is expanded, and annual broadleaf weeds and gramineous weeds in a rice field can be controlled and removed through one-time pesticide application; meanwhile, the pesticide application times are reduced, the control cost is lowered, weed resistance generation is slowed, the safety to crops is good and the fluorine pyribenzoxim herbicide composition meets the safety requirements for pesticide preparations.
Description
Technical field
The present invention relates to herbicide technology field, be specifically related to a kind of fluorine phonetic oxime grass ether herbicide composition.
Background technology
Paddy rice is the important cereal crops of China, and its production has long history and consequence in China.Rice in China plantation existing more than 5000 years, rice high yield stable yields, its output accounts for 1/2 of national total output of grain; Paddy rice distribution area is wide, accounts for 1/4 of national arable area.But the output of paddy rice is seriously subject to the harm of single broadleaf weed, not only seizes the living space that oxygen part also occupies paddy rice.Paddy field main weeds about has 40 kinds, maximum with barnyard grass occurrence and harm area in main weeds, is secondly difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed etc.Current having used is prevented and kill off paddy field weed and is mainly adopted chemical herbicide, as the Acetochlor in amide-type, the third careless amine, isopropyl methoxalamine, and the bensulfuron-methyl in sulfonylurea, pyrazosulfuron, and the penoxsuam just developed recent years, cyhalofop-butyl etc.But because all kinds of weed killer herbicide is subject to the restriction of respective weeding principle, as amide-type is mainly used in preventing and kill off grassy weed, and sulfonylurea is mainly used in preventing and kill off broad leaved weed and Sha section weeds, all the single Shuangzi weeds in paddy field can not be removed once.In addition, because acetamide-group herbicides are longer for service life, weeds are made to produce certain pesticide resistance and affect its result of use.
Fluorine phonetic oxime grass ether is on the ad-hoc location of pyrimidine salicylic acid compounds, introduce trifluoromethyl substituent gained, it demonstrates perennial and annual gramineous weed and excellent prevents and kill off performance, wide spectrum selective post-emergence herbicide, particularly to preventing and kill off the barnyard grass of paddy field, red pin barnyard grass, Paspalum distichum, rice barnyard grass have special efficacy.
Fluorine phonetic oxime grass ether has the safety of height to rice crop simultaneously, to the weeds such as barnyard grass prevent and kill off very effectively and the mechanism of action of the fluorine phonetic oxime grass ether of fluorine phonetic oxime grass ether is similar to sulfonylurea and imidazolone weed killer herbicide, all belong to acetolactate synthestase (ALS) inhibitor.Have activity of weeding after selectivity super-high-efficient bud to paddy rice, common wheat, Korea lawn grass, without activity of weeding before bud, it is distinguished to draw effect, to paddy rice, common wheat safety, environmentally friendly, low toxicity; Its consumption is low, and mu usage amount is 2-6 gram.
Due to the weed killer herbicide that fluorine phonetic oxime grass ether is new listing, manufacturer is few, and use cost is high; And it is poor to the preventive effect of the most broad leaved weed of paddy field and Sha section weeds.So the present inventor conducts in-depth research fluorine phonetic oxime grass ether, on the basis of a large amount of formula indoor screening tests and field medicine effect test, carry out composite accordingly to fluorine phonetic oxime grass ether, the single broadleaf weed while reducing agriculture originally in the disposable removing paddy field of energy.
Summary of the invention
The object of the present invention is to provide a kind of fluorine phonetic oxime grass ether Herbicidal combinations for preventing and kill off paddy field broad leaved weed and grassy weed, reaching the low and object to crop safety of cost.
Technical scheme of the present invention solves like this:
A kind of fluorine phonetic oxime grass ether herbicide composition, described herbicidal composition is made up of active ingredient and auxiliary material, and described active ingredient is that component A and component B forms by weight for 1:40-20:1; Described component A is fluorine phonetic oxime grass ether, and described component B is sulfonylurea, cyhalofop-butyl, penoxsuam, dichloro quinolinic acid, metamifop, two careless ether and pyribenzoxim.
More preferably, the weight ratio of described component A and component B is 1:10-5:1.
Further, described component A and component B weight and be the 1-50% of described herbicidal composition gross weight.
Further, described sulfonylurea is that bensulfuron-methyl, pyrazosulfuron, ethoxysulfuron, ether Huang are grand.
Further, described auxiliary material comprises surfactant, filler and auxiliary agent.
Further, the formulation of described herbicidal composition is missible oil, wetting powder, granule, water dispersible granules, dry suspending agent, aqueous suspension agent, oil-suspending agent.
According to method known in those skilled in the art, can be mixed with any formulation agriculturally allowed during the ether herbicide composition practical application of fluorine of the present invention phonetic oxime grass, preferential preparation formulation is missible oil, wetting powder, granule, suspending agent etc.
Pesticidal preparations needs to select suitable adjuvant and pesticide original medicine to be prepared into preparation through formula test just can be applied on Target crops for weeding.
Wherein, described surfactant is alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene carboxylate, calcium dodecyl benzene sulfonate, neopelex, lignosulfonates, NNO, NO, MF, ZS-1, lauryl sodium sulfate, pull open powder, N-Methyl fatty acyl taurines sodium, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, the withered powder of tea, saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, bleeding agent OT, JFC, fatty acid amide-N-N-methyltaurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, pull open powder.
Described filler and auxiliary agent can be any addible components, are mixed with each application target final products, as the preparation of suspending agent, wetting powder, water dispersible granules or other formulations with active constituent ether chrysanthemum ester and fipronil bisamide.
Certainly, the present invention can also include other functional aids such as antifreeze, thickener, stabilizing agent, defoamer, disintegrant.
Various surfactant, filler and auxiliary agent etc. all can commercially have been bought above.
The spendable auxiliary agent of wetting powder has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
The spendable auxiliary agent of granule has: carrier is selected from ammonium sulfate, urea, potassium dihydrogen phosphate, superphosphate, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay, boccaro rock dust, stone coal slag, clay, sand, common brick, sawdust, starch; Binding agent is selected from paraffin, gypsum, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, hydroxypropyl methylcellulose, tool dimension ketone, polyacrylamide, polyethylene glycol, polyvinyl alcohol; Coloring agent is iron oxide.
The spendable auxiliary agent of suspending agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425 (Huntsman Corporation of U.S. product) alkyl naphthalene sulfonic acid salt); Emulsifier is as dense newborn 700#(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), emulsifier T-60(common name: sorbitan monostearate APEO), agriculture breast 1601#(phenethyl phenol polyoxyethylene poly-oxygen propylene aether, Huntsman Corporation of the TERSPERSE 4894(U.S. produce); Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 (Huntsman Corporation of U.S. product) thickener are selected from xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Preservative is selected from formaldehyde, benzoic acid, Sodium Benzoate; Defoamer is silicone based defoamer; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea inorganic salts (as sodium chloride).
Two careless ether belongs to benzoic acid herbicide, is highly active acetolactate synthestase (ALS) inhibitor, can be absorbed very soon, and conduct to whole plant after this product dispenser by the cauline leaf of weeds, suppresses the growth of plant meristematic tissue, thus kills weeds.Efficiently, wide spectrum, consumption are extremely low.Effectively prevent and kill off barnyard grass in paddy field and other grassy weeds, the double barnyard grass controlled most of broad leaved weed, some sedge weeds and other weed killer herbicide is produced to resistance.
Cyhalofop-butyl belongs to aryloxyphenoxypropionic class weed killer herbicide.Paddy field selective herbicide, can only do cauline leaf process, and bud pre-treatment is invalid, mainly prevents and kill off barnyard grass, the grassy weeds such as moleplant seed.10%, 15% or 100g/L missible oil, 10% aqueous cyhalofop-butyl emulsion, 10% cyhalofop-butyl microemulsion.
Oxyfluorfen is before contact killing type selectivity bud or post-emergence herbicide, playing its activity of weeding, entering in plant corpus mainly through coleoptile, mesocotyl when there being light, less through root absorption, and has denier upwards to be transported by root to enter leaf portion.For before cotton, round onions, peanut, soybean, beet, fruit tree and vegetable fields bud, use after bud and prevent and kill off barnyard grass, sesbania, downy brome, green foxtail, datura, quackgrass, artemisiifolia, thorn chrysanthemum sth. made by twisting, piemarker, charlock unifacial leaf and broad leaved weed.Its very anti-leaching.Can be made into missible oil to use.
Pyribenzoxim belongs to oxime ester compound, wide spectrum selective post-emergence herbicide.Its mechanism of action is similar to sulfonylurea and imidazolone weed killer herbicide, all belongs to acetolactate synthestase (ALS) inhibitor.To paddy rice, common wheat, Korea lawn grass, there is activity of weeding after selectivity super-high-efficient bud, without activity of weeding before bud, for preventing and kill off the various grassy weed such as barnyard grass, large fringe amur foxtail, polygonum flaccidum and the assorted effect of drawing of broad-leaved is distinguished, to paddy rice, common wheat safety.
Halosulfuronmethyl is the same with other sulfonylurea herbicides is a kind of inhibitor of acetolactate synthestase, and absorbed by weeds root and leaf, conduct in plant corpus, namely weeds stop growing, then withered.Be mainly used in preventing and kill off broad leaved weed and sedge weed, as piemarker, storehouse ear, datura, artemisiifolia, Amaranthus retroflexus, flowerofanhour root or herb, knotweed, kitchen garden, black nightshade, Cassia tora, lead a cow, the rhizome of nutgrass flatsedge etc.Suitable for crop as wheat and corn, paddy rice, sugarcane, lawn etc., before seedling and Miao Houjun can use.Because its rapid metabolization in crop is harmless object, therefore to crop safety.
Amicarbazone and mesotrione carry out composite by the present invention according to a certain percentage, and its component is reasonable, and preventive effect is better than activity when each component is used separately, has synergistic effect; And expanding control of weeds spectrum, corn, sugarcane field annual broadleaf weed and grassy weed are prevented and kill off in a dispenser; Decrease spraying times simultaneously, reduce cost accounting, slow down the generation of Weed Resistance, good to crop safety, meet the security requirement of pesticidal preparations.
Embodiment
In order to understand herein further, below in conjunction with case, a kind of fluorine phonetic oxime grass ether herbicide composition that the present invention proposes is described in detail.
One, pharmaceutical formulation example
The phonetic wetting powder of embodiment 1:50% fluorine phonetic oxime grass ether benzyl
Take that 2% fluorine phonetic oxime grass ether, the phonetic iodine of 48% benzyl are grand, 6% alkylnaphthalene sulfonate, 2% lauryl sodium sulfate, 10% white carbon, kaolin polishing to 100%, preorder raw material is obtained after mixing, air-flow crushing.
The yellow grand wetting powder of embodiment 2:55% fluorine phonetic oxime grass ether ether
Take 5% fluorine phonetic oxime grass ether, 50% ether Huang grand,
Embodiment 3:41% fluorine phonetic oxime grass ether pyrazosulfuron granule
Take 1% fluorine phonetic oxime grass ether, 40% pyrazosulfuron, 9% potter's clay, 3% talcum powder, 1% iron oxide, kaolin polishing to 100% weight portion.By above-mentioned raw materials through mixing, add water after air-flow crushing kneadings, then extrude granulating, oven dry, screening be obtained.
Embodiment 4:21% fluorine phonetic oxime grass ether ethoxysulfuron water dispersible granules
Take 20% fluorine phonetic oxime grass ether, 1% ethoxysulfuron, 3% alkylphenol polyoxyethylene, 3% sodium lignin sulfonate, 1% Nekal BX, 1%K-12,3% glucose, 1% carboxymethyl cellulose, kaolin adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mix, ultra micro air-flow crushing, mixing, granulation step.
Embodiment 5:30% fluorine phonetic oxime grass ether cyhalofop-butyl missible oil
Take 20% fluorine phonetic oxime grass ether, 10% cyhalofop-butyl, dimethylbenzene tonic to 100%.
Embodiment 6:33% fluorine phonetic oxime grass ether metamifop missible oil
Take 30% fluorine phonetic oxime grass ether, 3% metamifop, toluene tonic to 100%.
Embodiment 7:4% fluorine phonetic oxime grass ether penoxsuam oil-suspending agent
Take 2% fluorine phonetic oxime grass ether, 2% penoxsuam, 3% Nongru-700 #, 7%BY-110,2%TERSPERSE 4894,1% aluminium-magnesium silicate, 5% ethylene glycol, 1% epoxychloropropane, soybean oil add to 100%, through mixing, high speed shear 30min, with obtained after sand mill sand milling.
Embodiment 8:15% fluorine phonetic oxime grass ether dichloro quinolinic acid aqueous suspension agent
Take 5% fluorine phonetic oxime grass ether, 10% dichloro quinolinic acid, 3% agriculture breast 2201#, 2%TERSPERSE 2425,2%TERSPERSE 4894,0.2% xanthans, 5% propane diols, 0.5% formaldehyde, 0.5% silicone based defoamer, deionized water add to 100% and obtain.
The two careless ether dry suspending agent of embodiment 9:12% fluorine phonetic oxime grass ether
2% fluorine phonetic oxime grass ether, 10% pair of careless ether, 2% xanthans, 5% propane diols, kaolin add to 100% weight portion.Through wet mixing, pulverize and make suspending agent, then mist projection granulating is carried out to it and make powdery or microgranular dry suspending agent.
Embodiment 10:12% fluorine phonetic oxime grass ether pyribenzoxim aqueous suspension agent
10% fluorine phonetic oxime grass ether, 2% pyribenzoxim, 3% agriculture breast 2201#, 2%TERSPERSE 2425,2%TERSPERSE 4894,0.2% xanthans, 5% propane diols, 0.5% formaldehyde, 0.5% silicone based defoamer, deionized water add to 100%.
Two, co-toxicity coefficient experiment
In order to verify that the present invention is to preventing and kill off paddy field broad leaved weed and grassy weed, inventor has carried out mutual composite synergy research with amicarbazone, mesotrione active ingredient.This experiment adopts the kitchen garden of the Amaranthus retroflexus of corn field, barnyard grass and sugarcane field, Bermuda grass is tested object, and concrete grammar is:
1, test method
1) test medicine is by the formulated test medicine of above-described embodiment 1-10 by our company.
2) subjects: difformed galingale herb, Monochoria vaginalis, barnyard grass, moleplant seed.
3) test method: the cultivation of target weeds adopts greenhouse pot culture cultivation, with the pottery basin that diameter is 17cm, respectively by do not use in the paddy field of weed killer herbicide adopt back soil air-dry, sieve after fill basin, quantitative 4/5 place of dry ground in basin, P in soil H value 7.0, the content of organic matter 1.1%.After the difformed galingale herb of field collection last year, Monochoria vaginalis, barnyard grass, moleplant seed seed being soaked, each about 40 even program requests are at soil surface, blinding 0.5-1cm is placed in greenhouse and cultivates, indoor temperature (28 ~ 32) DEG C/(18 ~ 25) DEG C (d/n), after planting keeps ground moistening.Put when weeds difformed galingale herb, Monochoria vaginalis, barnyard grass, moleplant seed 3 ~ 5 leaf in spray tower and spray medicine (ASS-1 type pesticide spraying system, DG8003 shower nozzle, atomisation pressure 2.75mPa, spouting liquid 40,000 grams/acre, dispenser keeps 3cm water layer in 1 day afterwards, is placed in greenhouse to cultivate to observe.
4) analyze: calculate toxicity regression formula with DPS software, LC50 value and 95% confidence limit.According to the abundant method introduced with Johnson (1960) of Sun Yun, calculate the co-toxicity coefficient (CTC of built agent, Co-Toxicity Coefficient), the standard dividing whether synergy with co-toxicity coefficient is: have notable synergistic effect (CTC >=120), summation action (80 < CTC < 120), or antagonism (CTC≤80).
The co-toxicity coefficient (CTC value) of mixture is by following formulae discovery:
ATI= S/ M×100
In formula: ATI---mixture actual measurement toxicity index
S---standard pesticide agent LD50, unit is milligrams per liter (mg/L);
The LD50 of M---mixture, unit is milligrams per liter (mg/L);
TTI=TIA×PA+TIB×PB
In formula: TTI---the theoretical toxicity index of mixture
TIA---A medicament toxicity index
PA---the percentage composition of A medicament in mixture, unit is percentage (%)
TIB---B medicament toxicity index
PB---the percentage composition of B medicament in mixture, unit is percentage (%)
CTC= ATI/ TTI×100
In formula: CTC---co-toxicity coefficient
ATI---mixture actual measurement toxicity index
The theoretical toxicity index of TTI---mixture
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism, and 80 < CTC < 120 show as summation action.
2, to get in pharmaceutical formulation example 1 ~ 4 and 5 ~ 8 to test difformed galingale herb, Monochoria vaginalis, barnyard grass, moleplant seed respectively, measure its toxicity index, then calculate the co-toxicity coefficient of its each proportioning by the co-toxicity coefficient formula of Sun Yunpei, the results are shown in Table 1:
Table 1: malicious system measurement altogether
Show from upper table Toxicity Determination result: the co-toxicity coefficient of the mixture preparation that fluorine of the present invention phonetic oxime grass ether and component B form for 1:40-20:1 is by weight 137.72 ~ 257.8, i.e. CTC >=120, according to the co-toxicity coefficient criteria for classifying, Herbicidal combinations of the present invention all has notable synergistic effect.
Three, field control effectiveness test
Reagent agent: the complex weedicide of above-mentioned example of formulations 5 ~ 10.
Contrast medicament: 20% bensulfuron-methyl wetting powder, 10% pyribenzoxim suspending agent.
For studying thing: corn, corn grows fine, without other damage by disease and insect.
Prevent and kill off object: difformed galingale herb, Monochoria vaginalis, barnyard grass, moleplant seed.
Test method: according to the area of experimental plot, the good various medicament of precise, and after being watered dilution, carry out even spraying with knapsack sprayer.
Within 7 days, 14 days after medicine, weeds death condition is observed respectively after test, and the activity of weeding of more various medicament.After medicine, the experimental result of 7 days sees the following form 2:
Table 2: 7 days Weed-control effect after medicine
To sum up described in table, the 7 day preventive effects of herbicidal composition of the present invention to difformed galingale herb, Monochoria vaginalis, barnyard grass, moleplant seed are all significantly higher than the preventive effect of contrast medicament 20% bensulfuron-methyl wetting powder, 10% pyribenzoxim suspending agent; In land for growing field crops uses, there is obvious synergistic effect after fluorine of the present invention phonetic oxime grass ether and component B mixture are described, saved dosage simultaneously, thus saved drug cost, expanded control of weeds scope.
Claims (4)
1. a fluorine phonetic oxime grass ether herbicide composition, is characterized in that: described herbicidal composition is made up of active ingredient and auxiliary material, and described active ingredient is that component A and component B forms by weight for 2:1; Described component A is fluorine phonetic oxime grass ether, and described component B is cyhalofop-butyl.
2. herbicidal composition according to claim 1, is characterized in that: the weight of described component A and component B and the 1-50% for described herbicidal composition gross weight.
3. according to the herbicidal composition described in claim 1, it is characterized in that: described auxiliary material comprises filler and auxiliary agent.
4. according to the herbicidal composition described in claim 1, it is characterized in that: the formulation of described herbicidal composition is missible oil, wetting powder, granule, water dispersible granules, dry suspending agent, aqueous suspension agent, oil-suspending agent.
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| CN201510262720.XA CN104814027A (en) | 2014-03-07 | 2014-03-07 | Herbicide composition containing primisulfuron oxime ether and acetolactate synthase inhibitor |
| CN201410084061.0A CN103783066B (en) | 2014-03-07 | 2014-03-07 | Fluorine pyribenzoxim herbicide composition |
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| CN104872143A (en) * | 2015-06-04 | 2015-09-02 | 广东中迅农科股份有限公司 | Weeding composition containing fluorine pyribenzoxim and carfentrazone-ethyl |
| CN104886099A (en) * | 2015-06-17 | 2015-09-09 | 广东中迅农科股份有限公司 | Weeding composition for rice field |
| CN105766921A (en) * | 2016-04-29 | 2016-07-20 | 南京慧博生物科技有限公司 | (2-Trifluoromethyl)benzaldehyde O-[2,6-bis[(4,6-dimethoxy-2-pyrimidyl)oxy] benzoyl oxime oil suspension and preparation method thereof |
| CN106614626A (en) * | 2016-11-29 | 2017-05-10 | 广西南岜仔科技有限公司 | Novel destructive herbicide |
| CN108041048A (en) * | 2017-11-23 | 2018-05-18 | 江苏省农用激素工程技术研究中心有限公司 | Composition pesticide and its application of the ether of grass containing fluoropyrimidine and bentazone |
| CN108041046A (en) * | 2018-01-24 | 2018-05-18 | 安徽蓝田农业开发有限公司 | A kind of herbicidal composition of humulone containing dichloroquinoline and the phonetic oxime grass ether of fluorine |
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| CN105272924B (en) * | 2013-07-22 | 2016-08-17 | 金坛市信德农业科技有限公司 | Fluoropyrimidine grass ether compound with activity of weeding and preparation method thereof |
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Effective date of registration: 20180926 Address after: 230022 room 2105, blue light Yuzhou City Le Cai center, 990 Changjiang West Road, Shushan District, Hefei, Anhui. Patentee after: Jelly Novartis crop protection (Anhui) Co., Ltd. Address before: 230000 Hefei, Shushan, Anhui, Changjiang West Road 478, the Mixc, 2 the Mixc 9 story 910 rooms. Patentee before: ANHUI TIANSHUN BIOTECHNOLOGY CO., LTD. |
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