AR227529A1 - Un procedimiento para preparar un derivado de acidos 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridin-carboxilicos - Google Patents
Un procedimiento para preparar un derivado de acidos 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridin-carboxilicosInfo
- Publication number
- AR227529A1 AR227529A1 AR283027A AR28302780A AR227529A1 AR 227529 A1 AR227529 A1 AR 227529A1 AR 283027 A AR283027 A AR 283027A AR 28302780 A AR28302780 A AR 28302780A AR 227529 A1 AR227529 A1 AR 227529A1
- Authority
- AR
- Argentina
- Prior art keywords
- naftiridin
- piperazinyl
- oxo
- halogen
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/76—Nitrogen atoms to which a second hetero atom is attached
- C07D213/77—Hydrazine radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10423578A JPS5531042A (en) | 1978-08-25 | 1978-08-25 | 1,8-naphthylidine derivative and its salt |
JP15793978A JPS5583785A (en) | 1978-12-20 | 1978-12-20 | 6-fluoro-1,8-naphthyridine derivative and its salt |
JP16209578A JPS5592385A (en) | 1978-12-29 | 1978-12-29 | 1-vinyl-1,8-naphthylidine derivative and its salt |
Publications (1)
Publication Number | Publication Date |
---|---|
AR227529A1 true AR227529A1 (es) | 1982-11-15 |
Family
ID=27310175
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR277659A AR223983A1 (es) | 1978-08-25 | 1979-08-09 | Un procedimiento para-preparar derivados de acido 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridin-3-carboxilico |
AR283026A AR225195A1 (es) | 1978-08-25 | 1980-10-28 | Un procedimiento para preparar un derivado de 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridina e intermediarios utilizados en el mismo |
AR283027A AR227529A1 (es) | 1978-08-25 | 1980-10-28 | Un procedimiento para preparar un derivado de acidos 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridin-carboxilicos |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR277659A AR223983A1 (es) | 1978-08-25 | 1979-08-09 | Un procedimiento para-preparar derivados de acido 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridin-3-carboxilico |
AR283026A AR225195A1 (es) | 1978-08-25 | 1980-10-28 | Un procedimiento para preparar un derivado de 6-halogeno-4-oxo-7-(1-piperazinil)-1,8-naftiridina e intermediarios utilizados en el mismo |
Country Status (16)
Country | Link |
---|---|
US (2) | US4359578A (es) |
EP (1) | EP0009425B1 (es) |
AR (3) | AR223983A1 (es) |
AU (1) | AU530052B2 (es) |
CA (1) | CA1168241A (es) |
CS (1) | CS235502B2 (es) |
DD (1) | DD145753A5 (es) |
DE (1) | DE2961979D1 (es) |
DK (1) | DK153552C (es) |
ES (1) | ES483629A1 (es) |
FI (1) | FI66379C (es) |
HU (1) | HU179927B (es) |
NO (1) | NO153136C (es) |
PH (1) | PH14287A (es) |
PL (1) | PL120114B1 (es) |
YU (4) | YU42193B (es) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845426B2 (ja) * | 1978-09-29 | 1983-10-08 | 杏林製薬株式会社 | 置換キノリンカルボン酸誘導体 |
JPS5649382A (en) * | 1979-09-28 | 1981-05-02 | Dainippon Pharmaceut Co Ltd | 6-fluoro-7-cyclic amino-1,8-naphthylidine derivative and its salt |
US4670444B1 (en) * | 1980-09-03 | 1999-02-09 | Bayer Ag | and-naphthyridine-3-carboxylic acids and antibacte7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-rial agents containing these compounds |
US4620007A (en) * | 1980-09-03 | 1986-10-28 | Bayer Aktiengesellschaft | 6-fluoro-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid |
JPS57106681A (en) * | 1980-12-24 | 1982-07-02 | Dainippon Pharmaceut Co Ltd | 1,8-naphthyridine derivative and its salt |
JPS57134482A (en) * | 1981-02-13 | 1982-08-19 | Dainippon Pharmaceut Co Ltd | 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-1,8- naphthyridine-3-carboxylic acid-3/2 hydrate and its preparation |
HU188181B (en) * | 1981-06-11 | 1986-03-28 | Warner-Lambert Co,Us | Process for producing salts of naphtiridine and quinoline compounds of antimicrobial activity |
JPS5925391A (ja) * | 1982-07-30 | 1984-02-09 | Dainippon Pharmaceut Co Ltd | ピリジルナフチリジン誘導体およびその塩 |
DE3308908A1 (de) * | 1983-03-12 | 1984-09-13 | Bayer Ag, 5090 Leverkusen | Bakterizide mittel |
FR2559484B2 (fr) * | 1983-07-06 | 1986-09-26 | Provesan Sa | Nouveau derive 7-(pyrrol-1-yl) de l'acide 1-ethyl-1,4-dihydro-4-oxo-(1,8-naphtyridin)-3-carboxylique, sa preparation et son application en tant que medicament |
FR2548664B1 (fr) * | 1983-07-06 | 1986-03-21 | Provesan Sa | Derives 7-(pyrrol-l-yl) des acides l-ethyl-1,4-dihydro-4-oxoquinoleine-3-carboxyliques et l-ethyl-1,4-dihydro-4-oxo-(1,8-naphtyridine)-3-carboxyliques substitues, leur preparation et leur application en tant que medicaments |
US4730000A (en) * | 1984-04-09 | 1988-03-08 | Abbott Laboratories | Quinoline antibacterial compounds |
CS274601B2 (en) * | 1983-07-27 | 1991-09-15 | Dainippon Pharmaceutical Co | Method of 1,8-naphthyridine derivative production |
DE3333719A1 (de) * | 1983-09-17 | 1985-04-04 | Bayer Ag | Loesungen milchsaurer salze von piperazinylchinolon- und piperazinyl-azachinoloncarbonsaeuren |
US4551456A (en) * | 1983-11-14 | 1985-11-05 | Merck & Co., Inc. | Ophthalmic use of norfloxacin and related antibiotics |
NZ210847A (en) * | 1984-01-26 | 1988-02-29 | Abbott Lab | Naphthyridine and pyridopyrimidine derivatives and pharmaceutical compositions |
US4774246A (en) * | 1984-01-26 | 1988-09-27 | Abbott Laboratories | Quinoline antibacterial compounds |
IL74244A (en) * | 1984-02-17 | 1988-06-30 | Warner Lambert Co | Quinoline derivatives,their preparation and pharmaceutical compositions containing them |
DE3409922A1 (de) * | 1984-03-17 | 1985-09-26 | Bayer Ag, 5090 Leverkusen | 1,7-diamino-1,4-dihydro-4-oxo-3-(aza)chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie ihre verwendung bei der bekaempfung bakterieller erkrankungen |
US4571396A (en) * | 1984-04-16 | 1986-02-18 | Warner-Lambert Company | Antibacterial agents |
JPS60228479A (ja) * | 1984-04-26 | 1985-11-13 | Toyama Chem Co Ltd | 1,4−ジヒドロ−4−オキソナフチリジン誘導体およびその塩 |
DE3420743A1 (de) * | 1984-06-04 | 1985-12-05 | Bayer Ag, 5090 Leverkusen | 7-amino-1-cyclopropyl-6,8-dihalogen-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
US5468861A (en) * | 1984-06-04 | 1995-11-21 | Bayer Aktiengesellschaft | 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid and alkyl esters thereof |
DE3517709A1 (de) * | 1985-01-05 | 1986-07-10 | Bayer Ag | Basische zubereitungen von chinoloncarbonsaeuren |
DE3508816A1 (de) * | 1985-01-10 | 1986-07-10 | Bayer Ag, 5090 Leverkusen | 6,7-disubstituierte 1-cyclopropyl-1,4-dihydro-4-oxo-1,8-naphtyridin-3-carbonsaeuren |
US4851535A (en) * | 1985-01-23 | 1989-07-25 | Toyama Chemical Co., Ltd. | Nicotinic acid derivatives |
AT392791B (de) * | 1985-01-23 | 1991-06-10 | Toyama Chemical Co Ltd | Verfahren zur herstellung von 1-substituierten aryl-1,4-dihydro-4-oxonaphthyridinderivaten |
AT392789B (de) * | 1985-01-23 | 1991-06-10 | Toyama Chemical Co Ltd | Verfahren zur herstellung von 1-substituierten aryl-1,4-dihydro-4-oxonaphthyridinderivaten |
DE3525108A1 (de) * | 1985-06-07 | 1986-12-11 | Bayer Ag, 5090 Leverkusen | Antibakteriell wirksame chinoloncarbonsaeureester |
DE3608745A1 (de) * | 1985-07-24 | 1987-01-29 | Bayer Ag | Bakterizide zubereitungen zur anwendung auf dem gebiet der veterinaermedizin |
DE3542002A1 (de) * | 1985-11-28 | 1987-06-04 | Bayer Ag | 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7- (1-piperazinyl)-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
US4689325A (en) * | 1985-12-23 | 1987-08-25 | Abbott Laboratories | Isoxazolo-pyrido-phenoxazine and isothiazolo-pyrido-phenoxazine derivatives |
US4687770A (en) * | 1985-12-23 | 1987-08-18 | Abbott Laboratories | Isoxazolo-pyrido-benzoxazine and isothiazolo-pyrido-benzoxazine derivatives |
US4940710A (en) * | 1986-01-17 | 1990-07-10 | American Cyanamid Company | 7-(substituted)piperazinyl-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids |
US5210193A (en) * | 1986-01-17 | 1993-05-11 | American Cyanamid Company | Piperazine derivatives |
HU196987B (en) * | 1986-10-15 | 1989-02-28 | Chinoin Gyogyszer Es Vegyeszet | Process for producing quinoline-carboxylic acid derivatives |
IL80459A (en) * | 1986-10-30 | 1991-04-15 | Abic Ltd | Water-soluble adduct of norfloxacin and nicotinic acid |
IE873504L (en) * | 1987-01-28 | 1988-07-28 | Harvard College | Stabilized ophthalmic compositions |
IL90635A0 (en) * | 1988-07-15 | 1990-01-18 | Abbott Lab | Process for the preparation of quinoline antibacterial compounds |
US5262417A (en) * | 1988-12-06 | 1993-11-16 | The Upjohn Company | Antibacterial quinolone compounds |
FR2641783B1 (fr) * | 1989-01-16 | 1991-04-05 | Bellon Labor Sa Roger | Nouveaux derives de benzonaphtyridine-1,8, leur preparation et les compositions qui les contiennent |
AU623474B2 (en) * | 1989-01-16 | 1992-05-14 | Laboratoire Roger Bellon | New benzo(1,8)naphthyridine derivatives, their preparation and compositions containing them |
US5466696A (en) * | 1992-09-10 | 1995-11-14 | Warner Lambert Company | Tacrine and cytochrome P450 oxidase inhibitors and methods of use |
US5422350A (en) * | 1992-09-10 | 1995-06-06 | Warner-Lambert Company | Nitrogen substituted acridine and cytochrome P450 inhibitors and methods of use |
US5290794A (en) * | 1992-10-27 | 1994-03-01 | Warner Lambert Co. | Soluble calcium lactate antibacterial complexes as non-irritating parenteral forms |
WO1994025464A1 (en) * | 1993-04-24 | 1994-11-10 | Korea Research Institute Of Chemical Technology | Novel quinolone carboxylic acid derivatives and process for preparing the same |
KR950018003A (ko) * | 1993-12-09 | 1995-07-22 | 스미스클라인 비참 피엘씨 | 신규한 퀴놀론 유도체 및 그의 제조 방법 |
MA24500A1 (fr) | 1997-03-21 | 1998-10-01 | Lg Life Sciences Ltd | Derive du sel d'acide carboxylique de naphthyridine . |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3149104A (en) * | 1961-01-03 | 1964-09-15 | Sterling Drug Inc | 4-hydroxy-7-styryl-1, 8-naphthyridine-3-carboxylic acids and esters |
DE2103805C3 (de) * | 1970-01-28 | 1980-03-20 | Sumitomo Chemical Co., Ltd., Osaka (Japan) | Verfahren zur Herstellung von N-substituierten 6,7-Methylendioxy-4chinolonen |
US4017622A (en) * | 1972-12-18 | 1977-04-12 | Dainippon Pharmaceutical Co., Ltd. | Piperazine derivatives |
JPS5936637B2 (ja) * | 1976-01-01 | 1984-09-05 | 第一製薬株式会社 | 6−ニトロ−1,8−ナフチリジン誘導体 |
JPS53141286A (en) * | 1977-05-16 | 1978-12-08 | Kyorin Seiyaku Kk | Novel substituted quinolinecarboxylic acid |
JPS5845426B2 (ja) | 1978-09-29 | 1983-10-08 | 杏林製薬株式会社 | 置換キノリンカルボン酸誘導体 |
-
1979
- 1979-08-09 AR AR277659A patent/AR223983A1/es active
- 1979-08-17 AU AU50049/79A patent/AU530052B2/en not_active Expired
- 1979-08-20 YU YU2032/79A patent/YU42193B/xx unknown
- 1979-08-22 DD DD79215122A patent/DD145753A5/de not_active IP Right Cessation
- 1979-08-23 US US06/068,966 patent/US4359578A/en not_active Expired - Lifetime
- 1979-08-23 HU HU79BE1361A patent/HU179927B/hu unknown
- 1979-08-24 NO NO792760A patent/NO153136C/no unknown
- 1979-08-24 FI FI792645A patent/FI66379C/fi not_active IP Right Cessation
- 1979-08-24 CA CA000334439A patent/CA1168241A/en not_active Expired
- 1979-08-24 EP EP79400587A patent/EP0009425B1/en not_active Expired
- 1979-08-24 DK DK355679A patent/DK153552C/da not_active IP Right Cessation
- 1979-08-24 PL PL1979217926A patent/PL120114B1/pl unknown
- 1979-08-24 CS CS795770A patent/CS235502B2/cs unknown
- 1979-08-24 ES ES483629A patent/ES483629A1/es not_active Expired
- 1979-08-24 DE DE7979400587T patent/DE2961979D1/de not_active Expired
- 1979-08-27 PH PH22967A patent/PH14287A/en unknown
-
1980
- 1980-10-28 AR AR283026A patent/AR225195A1/es active
- 1980-10-28 AR AR283027A patent/AR227529A1/es active
-
1981
- 1981-05-18 US US06/264,824 patent/US4352803A/en not_active Expired - Lifetime
-
1985
- 1985-02-28 YU YU318/85A patent/YU42614B/xx unknown
- 1985-02-28 YU YU319/85A patent/YU42615B/xx unknown
- 1985-02-28 YU YU317/85A patent/YU42637B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FI66379C (fi) | 1984-10-10 |
YU31785A (en) | 1985-10-31 |
CS235502B2 (en) | 1985-05-15 |
PH14287A (en) | 1981-05-04 |
FI66379B (fi) | 1984-06-29 |
YU42637B (en) | 1988-10-31 |
US4359578A (en) | 1982-11-16 |
YU42614B (en) | 1988-10-31 |
EP0009425A1 (en) | 1980-04-02 |
YU31885A (en) | 1985-10-31 |
DK355679A (da) | 1980-02-26 |
AR223983A1 (es) | 1981-10-15 |
PL120114B1 (en) | 1982-02-27 |
AU5004979A (en) | 1980-02-28 |
YU203279A (en) | 1985-10-31 |
NO153136B (no) | 1985-10-14 |
NO792760L (no) | 1980-02-26 |
US4352803A (en) | 1982-10-05 |
HU179927B (en) | 1983-01-28 |
YU42193B (en) | 1988-06-30 |
ES483629A1 (es) | 1980-09-01 |
DD145753A5 (de) | 1981-01-07 |
DK153552C (da) | 1988-12-05 |
DE2961979D1 (en) | 1982-03-11 |
AR225195A1 (es) | 1982-02-26 |
PL217926A1 (es) | 1980-06-16 |
FI792645A (fi) | 1980-02-26 |
EP0009425B1 (en) | 1982-01-27 |
AU530052B2 (en) | 1983-06-30 |
DK153552B (da) | 1988-07-25 |
NO153136C (no) | 1986-01-22 |
CA1168241A (en) | 1984-05-29 |
YU42615B (en) | 1988-10-31 |
YU31985A (en) | 1985-10-31 |
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