DK125553B - Fremgangsmåde til fremstilling af substituerede 2,4-diamino-5-benzylpyrimidiner. - Google Patents
Fremgangsmåde til fremstilling af substituerede 2,4-diamino-5-benzylpyrimidiner.Info
- Publication number
- DK125553B DK125553B DK554065AA DK554065A DK125553B DK 125553 B DK125553 B DK 125553B DK 554065A A DK554065A A DK 554065AA DK 554065 A DK554065 A DK 554065A DK 125553 B DK125553 B DK 125553B
- Authority
- DK
- Denmark
- Prior art keywords
- benzylpyrimidines
- diamino
- substituted
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/30—Halogen atoms or nitro radicals
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/116—Heterocyclic compounds
- A23K20/137—Heterocyclic compounds containing two hetero atoms, of which at least one is nitrogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/63—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide
- A61K31/635—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide having a heterocyclic ring, e.g. sulfadiazine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/48—Two nitrogen atoms
- C07D239/49—Two nitrogen atoms with an aralkyl radical, or substituted aralkyl radical, attached in position 5, e.g. trimethoprim
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
- C07D239/545—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/553—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Fodder In General (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41071064A | 1964-11-12 | 1964-11-12 | |
US41079364A | 1964-11-12 | 1964-11-12 | |
US45416865A | 1965-05-07 | 1965-05-07 | |
US45417265A | 1965-05-07 | 1965-05-07 | |
US46083465A | 1965-06-02 | 1965-06-02 | |
US470917A US3341541A (en) | 1964-11-12 | 1965-07-09 | Processes and intermediates for pyrimidine derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
DK125553B true DK125553B (da) | 1973-03-05 |
Family
ID=27559952
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK554065AA DK125553B (da) | 1964-11-12 | 1965-10-28 | Fremgangsmåde til fremstilling af substituerede 2,4-diamino-5-benzylpyrimidiner. |
DK581065AA DK115847B (da) | 1964-11-12 | 1965-11-11 | Fremgangsmåde til fremstilling af terapeutisk aktive 2,4-diamino-5-benzyl-pyrimidinderivater eller syreadditionssalte deraf. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK581065AA DK115847B (da) | 1964-11-12 | 1965-11-11 | Fremgangsmåde til fremstilling af terapeutisk aktive 2,4-diamino-5-benzyl-pyrimidinderivater eller syreadditionssalte deraf. |
Country Status (15)
Country | Link |
---|---|
US (3) | US3485840A (no) |
BE (3) | BE671981A (no) |
BR (3) | BR6574667D0 (no) |
CH (2) | CH467784A (no) |
DE (2) | DE1545966A1 (no) |
DK (2) | DK125553B (no) |
FI (1) | FI43251B (no) |
FR (1) | FR5411M (no) |
GB (7) | GB1062508A (no) |
IL (7) | IL24498A (no) |
IT (1) | IT1058251B (no) |
MY (2) | MY6700159A (no) |
NL (3) | NL6514178A (no) |
NO (2) | NO119948B (no) |
SE (4) | SE327122B (no) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3485840A (en) * | 1964-11-12 | 1969-12-23 | Hoffmann La Roche | 2,4-diamino - 5 - (2',4',5'-substituted benzyl) pyrimidines,intermediates and processes |
GB1142654A (en) * | 1965-10-28 | 1969-02-12 | Wellcome Found | Cyano-acetals and their use in benzylpyrimidine synthesis |
US3515783A (en) * | 1967-10-20 | 1970-06-02 | Hoffmann La Roche | Antibacterial composition containing 5-methyl - 3 - sulfanilamidoisoxazole and trimethoxybenzyl pyrimidine |
GB1261455A (en) * | 1969-03-06 | 1972-01-26 | Burroughs Wellcome Co | Improvements in or relating to substituted acrylonitriles |
DE2065367C2 (de) * | 1969-03-06 | 1985-04-04 | The Wellcome Foundation Ltd., London | Verfahren zur Herstellung von 2,4- Diamino-5-benzylpyrimidinen |
CH513181A (de) * | 1969-06-12 | 1971-09-30 | Hoffmann La Roche | Verfahren zur Herstellung von N-Oxyden von Benzylpyrimidinen |
US3996356A (en) * | 1969-07-02 | 1976-12-07 | Hoffmann-La Roche Inc. | Composition containing 5-sulfanilamido-3,4-dimethylisoxazole and a trimethoxybenzyl pyrimidine |
US3692787A (en) * | 1970-02-16 | 1972-09-19 | Burroughs Wellcome Co | Substituted 2,4-diamino-5-benzyl pyrimidines |
US3684810A (en) * | 1970-03-11 | 1972-08-15 | Hoffmann La Roche | Process for 2,4-diamino-5-(3,5-dimethoxy-4-hydroxybenzyl) pyrimidine |
US3993761A (en) * | 1971-12-01 | 1976-11-23 | Hoffmann-La Roche Inc. | Antibacterial compositions |
BE792096A (fr) * | 1971-12-01 | 1973-05-30 | Hoffmann La Roche | Nouvelles benzylpyrimidines |
BE795023A (fr) * | 1972-02-07 | 1973-08-06 | Hoffmann La Roche | Nouvelles benzylpyrimidines |
IT1044231B (it) * | 1972-03-16 | 1980-03-20 | Hoffmann La Roche | Combinazione di sostanze attive utile per combattere infezioni da batteri gram positivi e gran negativi |
DE2342213C3 (de) * | 1972-10-12 | 1979-10-18 | F. Hoffmann-La Roche & Co Ag, Basel (Schweiz) | Verwendung von potenzierten SuIf onamiden bei der Behandlung oder Verhinderung von Fischinfektionen |
ZA738760B (en) * | 1972-12-21 | 1974-08-28 | Hoffmann La Roche | Process for the manufacture of benzyl pyrimidines |
US4143227A (en) * | 1973-02-26 | 1979-03-06 | Hoffmann-La Roche Inc. | Process for substituted 5-benzyl-2,4-diamino-pyrimidines |
US3931181A (en) * | 1973-07-27 | 1976-01-06 | Hoffmann-La Roche Inc. | 2,4-Diamino-5-benzylpyrimidines |
CH591456A5 (no) * | 1973-09-12 | 1977-09-15 | Hoffmann La Roche | |
US4076810A (en) * | 1973-11-08 | 1978-02-28 | Hoffmann-La Roche Inc. | Benzylpyrimidine antibacterial composition |
JPS6119628B2 (no) * | 1973-11-08 | 1986-05-17 | Efu Hofuman Ra Roshu Unto Co Ag | |
CH591457A5 (no) * | 1973-11-08 | 1977-09-15 | Hoffmann La Roche | |
US4033962A (en) * | 1975-06-26 | 1977-07-05 | Hoffman-La Roche Inc. | 2,4-Diamino-pyrimidine derivatives and processes |
NL7609171A (nl) * | 1975-08-29 | 1977-03-02 | Hoffmann La Roche | Werkwijze voor het bereiden van antibacte- riele middelen. |
GB1582245A (en) * | 1976-06-09 | 1981-01-07 | Wellcome Found | Benzyl cyanoacetal derivatives and their conversion to pyrimidine derivatives |
DE2635765C3 (de) * | 1976-08-09 | 1979-02-08 | Ludwig Heumann & Co Gmbh, 8500 Nuernberg | Verfahren zur Herstellung von 2,4-EMamino-5-(3',4'r5'-trimethoxybenzyl)-pyrimidin |
LU77364A1 (no) * | 1977-05-18 | 1979-01-19 | ||
JPS55102517A (en) * | 1979-01-30 | 1980-08-05 | Shionogi & Co Ltd | Preparation of sulfamethoxazole-trimethoprim complex for administration via body cavity |
DE2944145A1 (de) * | 1979-11-02 | 1981-05-14 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von 2,4-diaminopyrimidin |
JPS57109713A (en) * | 1980-12-26 | 1982-07-08 | Shionogi & Co Ltd | Pharmaceutical preparation of combined agent of sulfamethoxazole and trimethoprim for medication through celom |
IT1138146B (it) * | 1981-08-11 | 1986-09-17 | Proter Spa | Processo per la produzione della 2,4-diammino-(3,5-dimetossi-4-metos sietossi-benzil)-pirimidina |
FI64427C (fi) * | 1982-05-13 | 1989-11-08 | Uponor Nv | Lattiakaivo tai muu kuppimainen vesilukko. |
HU197670B (en) * | 1986-02-28 | 1989-05-29 | Egyt Gyogyszervegyeszeti Gyar | Process for producing composition comprising 2,4-diamino-5-(3,4-dimethoxybenzyl)-pyrimidine or pharmaceutically suitable acid addition salt thereof as active ingredient |
FR2595697B1 (fr) * | 1986-03-13 | 1988-07-08 | Rousselot Cie | Derives de benzyl-pyrimidine, leur procede de preparation ainsi que les compositions en contenant |
US4857651A (en) * | 1987-07-29 | 1989-08-15 | American Cyanamid Company | α-(2,3-Di(C1 -C4 alkoxy)ethylamino)-β-cyanostyrene and β-nitrostyrene compounds useful as intermediates in the preparation of insecticidal, acaricidal and nematicidal arylpyrroles and method for the preparation thereof |
US4996198A (en) * | 1988-07-11 | 1991-02-26 | Hoffmann-La Roche Inc. | Anticoccidial composition |
US5135924A (en) * | 1989-01-03 | 1992-08-04 | Hoffmann-La Roche Inc. | Therapeutic treatment of animals with oral administration of ormetoprim-potentiated sulfonamides |
US5158979A (en) * | 1989-04-19 | 1992-10-27 | New York University | Method and compositions for treating pneumocystic carini infections |
US5258373A (en) * | 1991-07-17 | 1993-11-02 | Hoffmann-La Roche Inc. | Anticoccidial compositions |
DE4333688C2 (de) * | 1993-10-02 | 2003-11-06 | Guenter Ege | Verfahren zur Herstellung von 3-Aryl-2-(dialkoxymethyl)-propannitrilen und ihre Umsetzung zu 5-Arylmethyl-2,4-diamino-pyrimidinen, insbesondere zu Trimethoprim |
US5514681A (en) * | 1994-08-17 | 1996-05-07 | Virginia Tech Intellectual Properties, Inc. | Compositions and methods for controlling pest insects |
TW438796B (en) * | 1996-05-15 | 2001-06-07 | Hoffmann La Roche | 2,4-diaminopyrimidine derivatives, the manufacture process thereof, and the antibiotically-active pharmaceutical composition containing the same |
US20090162858A1 (en) * | 2007-09-18 | 2009-06-25 | Cornish Virginia W | Orthogonal chemical inducer of dimerization |
CN101842012B (zh) * | 2007-10-29 | 2016-04-27 | 日本水产株式会社 | 鱼类寄生虫驱除剂及鱼类寄生虫驱除方法 |
TWI429397B (zh) * | 2009-04-27 | 2014-03-11 | Nippon Suisan Kaisha Ltd | 含有葉酸合成抑制劑及/或葉酸活性化抑制劑之組成物的用途 |
FR3049861A1 (fr) | 2016-04-07 | 2017-10-13 | Univ Claude Bernard Lyon | Nouvelles compositions antivirales pour le traitement de la grippe |
CN106083653A (zh) * | 2016-06-06 | 2016-11-09 | 江苏天和制药有限公司 | 奥美普林中间体肉桂腈的合成方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2628236A (en) * | 1953-02-10 | S-benzyl | ||
US3049544A (en) * | 1962-08-14 | Method for the preparation of | ||
US2658897A (en) * | 1951-06-27 | 1953-11-10 | Burroughs Wellcome Co | 2, 4-diamino-5-benzyl pyrimidines |
GB734801A (en) * | 1953-03-06 | 1955-08-10 | Wellcome Found | Improvements in and relating to derivatives of pyrimidine and the manufacture thereof |
US2783178A (en) * | 1954-06-22 | 1957-02-26 | American Scient Lab Inc | Stable concentrated sulfaquinoxaline solutions and method for preparing |
US2823160A (en) * | 1955-03-29 | 1958-02-11 | Whitmoyer Lab Inc | Substituted pyrimidines compositions for chemotherapy of coccidiosis |
US2909522A (en) * | 1957-02-21 | 1959-10-20 | Burroughs Wellcome Co | Trialkoxybenzylpyrimidines and method |
DE1303727B (de) * | 1959-09-03 | 1976-02-05 | Ausscheidung aus: 14 45 176 The Wellcome Foundation Ltd., London | Alpha-Arylidensubstituierte Propioni-Irile |
US3085937A (en) * | 1960-11-21 | 1963-04-16 | Shionogi & Co | Method of combating coccidiosis with sulfonamide compositions |
US3485840A (en) * | 1964-11-12 | 1969-12-23 | Hoffmann La Roche | 2,4-diamino - 5 - (2',4',5'-substituted benzyl) pyrimidines,intermediates and processes |
-
1965
- 1965-05-07 US US454172A patent/US3485840A/en not_active Expired - Lifetime
- 1965-06-02 US US460834A patent/US3461206A/en not_active Expired - Lifetime
- 1965-07-09 US US470917A patent/US3341541A/en not_active Expired - Lifetime
- 1965-10-15 CH CH1427165A patent/CH467784A/de unknown
- 1965-10-20 DE DE19651545966 patent/DE1545966A1/de active Pending
- 1965-10-21 IL IL24498A patent/IL24498A/xx unknown
- 1965-10-21 IL IL24497A patent/IL24497A/en unknown
- 1965-10-22 CH CH1464865A patent/CH467270A/de unknown
- 1965-10-25 DE DE1545967A patent/DE1545967C3/de not_active Expired
- 1965-10-27 IL IL32697A patent/IL32697A/xx unknown
- 1965-10-27 IL IL6532695A patent/IL32695A/xx unknown
- 1965-10-27 IL IL24534A patent/IL24534A/xx unknown
- 1965-10-27 IL IL6532696A patent/IL32696A/en unknown
- 1965-10-27 IL IL32694A patent/IL32694A/xx unknown
- 1965-10-28 DK DK554065AA patent/DK125553B/da unknown
- 1965-10-30 FR FR36822A patent/FR5411M/fr not_active Expired
- 1965-11-01 FI FI2606/65A patent/FI43251B/fi active
- 1965-11-02 NL NL6514178A patent/NL6514178A/xx unknown
- 1965-11-05 GB GB46937/65A patent/GB1062508A/en not_active Expired
- 1965-11-05 GB GB58792/67A patent/GB1132084A/en not_active Expired
- 1965-11-05 GB GB58791/67A patent/GB1132083A/en not_active Expired
- 1965-11-05 GB GB46936/65A patent/GB1133766A/en not_active Expired
- 1965-11-05 GB GB46935/65A patent/GB1132082A/en not_active Expired
- 1965-11-05 GB GB58793/67A patent/GB1132085A/en not_active Expired
- 1965-11-05 GB GB58794/67A patent/GB1132086A/en not_active Expired
- 1965-11-08 BE BE671981D patent/BE671981A/xx unknown
- 1965-11-08 BE BE671982D patent/BE671982A/xx unknown
- 1965-11-08 NL NL6514472A patent/NL6514472A/xx unknown
- 1965-11-08 BE BE671983D patent/BE671983A/xx not_active IP Right Cessation
- 1965-11-09 BR BR174667/65A patent/BR6574667D0/pt unknown
- 1965-11-09 BR BR174670/65A patent/BR6574670D0/pt unknown
- 1965-11-09 BR BR174668/65A patent/BR6574668D0/pt unknown
- 1965-11-11 NO NO160436A patent/NO119948B/no unknown
- 1965-11-11 DK DK581065AA patent/DK115847B/da unknown
- 1965-11-11 NO NO160437A patent/NO115741B/no unknown
- 1965-11-12 SE SE14669/65A patent/SE327122B/xx unknown
- 1965-11-12 SE SE14668/65A patent/SE311160B/xx unknown
- 1965-11-12 SE SE3420/69A patent/SE346314B/xx unknown
- 1965-11-12 NL NL6514743.A patent/NL163213C/xx not_active IP Right Cessation
- 1965-11-12 SE SE14670/65A patent/SE326185B/xx unknown
- 1965-11-12 IT IT25233/65A patent/IT1058251B/it active
-
1967
- 1967-12-31 MY MY1967159A patent/MY6700159A/xx unknown
-
1972
- 1972-12-30 MY MY71/72A patent/MY7200071A/xx unknown
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