DK63285A - 1-dethia-2-thiacephalosporansyrederivater samt fremgangsmaade til fremstilling deraf - Google Patents

1-dethia-2-thiacephalosporansyrederivater samt fremgangsmaade til fremstilling deraf Download PDF

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Publication number
DK63285A
DK63285A DK63285A DK63285A DK63285A DK 63285 A DK63285 A DK 63285A DK 63285 A DK63285 A DK 63285A DK 63285 A DK63285 A DK 63285A DK 63285 A DK63285 A DK 63285A
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pyridinium
amino
thiazolo
thieno
syn
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DK63285A
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Danish (da)
English (en)
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DK63285D0 (da
Inventor
Jozsef Aszodi
Alain Bonnet
Germain Costerousse
Jean-Georges Teutsch
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Roussel Uclaf
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Publication of DK63285D0 publication Critical patent/DK63285D0/da
Publication of DK63285A publication Critical patent/DK63285A/da

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C391/00—Compounds containing selenium
    • C07C391/02—Compounds containing selenium having selenium atoms bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/198—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/185—Saturated compounds having only one carboxyl group and containing keto groups
    • C07C59/21—Saturated compounds having only one carboxyl group and containing keto groups containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/76—Unsaturated compounds containing keto groups
    • C07C59/88—Unsaturated compounds containing keto groups containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
    • C07D205/085—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
    • 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/70—Sulfur atoms
    • C07D213/71—Sulfur atoms to which a second hetero atom is attached
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/48—Compounds containing oxirane rings 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, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains three hetero rings
    • C07D513/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oncology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Communicable Diseases (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyrane Compounds (AREA)
  • Epoxy Compounds (AREA)
DK63285A 1984-02-13 1985-02-12 1-dethia-2-thiacephalosporansyrederivater samt fremgangsmaade til fremstilling deraf DK63285A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8402138A FR2559486B1 (fr) 1984-02-13 1984-02-13 Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation et leur application comme medicaments

Publications (2)

Publication Number Publication Date
DK63285D0 DK63285D0 (da) 1985-02-12
DK63285A true DK63285A (da) 1985-08-14

Family

ID=9300976

Family Applications (1)

Application Number Title Priority Date Filing Date
DK63285A DK63285A (da) 1984-02-13 1985-02-12 1-dethia-2-thiacephalosporansyrederivater samt fremgangsmaade til fremstilling deraf

Country Status (23)

Country Link
US (1) US5663164A (ko)
EP (1) EP0153229B1 (ko)
JP (2) JPH0662637B2 (ko)
KR (1) KR920007463B1 (ko)
CN (1) CN1055363A (ko)
AT (1) ATE87922T1 (ko)
AU (1) AU589352B2 (ko)
CA (1) CA1251443A (ko)
DE (1) DE3587237T2 (ko)
DK (1) DK63285A (ko)
ES (2) ES8606363A1 (ko)
FI (1) FI86067C (ko)
FR (4) FR2559486B1 (ko)
GR (1) GR850360B (ko)
HU (1) HU203356B (ko)
IE (1) IE59899B1 (ko)
IL (1) IL74253A (ko)
MA (1) MA20350A1 (ko)
NO (1) NO850024L (ko)
NZ (1) NZ211111A (ko)
OA (1) OA07932A (ko)
PT (1) PT79954B (ko)
ZA (1) ZA85866B (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586020B2 (fr) 1985-08-09 1988-10-14 Roussel Uclaf Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation, leur application comme medicaments et les compositions pharmaceutiques les contenant
FR2610630B2 (fr) * 1987-02-06 1989-05-26 Roussel Uclaf Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation, leur application comme medicaments et les compositions pharmaceutiques les contenant
DK582788A (da) * 1987-10-22 1989-04-23 Otsuka Pharma Co Ltd 2-oxa-isocephemforbindelser, midler der indeholder dem og fremgangsmaader til fremstilling af dem
DK0435333T3 (da) * 1989-12-29 1996-06-24 Otsuka Pharma Co Ltd Cephalosporinderivater, fremgangsmåde til fremstilling deraf og antimikrobielt præparat indeholdende derivaterne
DK0479431T3 (da) * 1990-09-13 2000-03-27 Lilly Co Eli Mellemprodukter for 1-carbacephalosporiner og fremgangsmåde til fremstilling heraf
FR2678273B1 (fr) * 1991-06-25 1995-03-03 Roussel Uclaf Nouvelles cephalosporines comportant un noyau 2-thia cepheme, leur procede de preparation, leur application comme medicaments, et les nouveaux intermediaires obtenus.
AU3264393A (en) * 1992-01-22 1993-09-01 Smithkline Beecham Plc 2-isocephem and oxacephem derivatives, processes for their preparation, intermediates thereof and use as antibacterial agents
DE19642530A1 (de) * 1996-10-15 1998-04-16 Bayer Ag Halogenalkoximinoessigsäureamide
WO2002098844A1 (de) * 2001-06-01 2002-12-12 Merck Patent Gmbh Verfahren zur herstellung perfluoralkansulfonsäureresten

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK194776A (da) * 1975-05-05 1976-11-06 Smithkline Corp Antibakterielle midler og mellemprodukter dertil
US4166816A (en) * 1975-05-05 1979-09-04 Smithkline Corporation Methods and intermediates for preparing cis-4-oxoazetidine intermediates
US4103086A (en) * 1975-10-29 1978-07-25 Smithkline Corporation 8-Oxo-4-thia-1-azabicyclo (4.2.0)-oct-2-ene derivatives
JPS56113733A (en) * 1979-12-29 1981-09-07 Daikin Ind Ltd 3-substituted-3-fluoropyruvic acid, its ester, salt and preparation thereof
JPS57116091A (en) * 1981-01-09 1982-07-19 Sumitomo Chem Co Ltd Novel beta-lactam compound and its preparation
FR2505840A1 (fr) * 1981-05-13 1982-11-19 Roussel Uclaf Nouveaux produits derives de l'acide 2-amino thiazolyl 2-oxyimino acetamido bicyclo-octene carboxylique, leur procede de preparation et leur application comme medicaments
US5385897A (en) * 1985-08-09 1995-01-31 Roussel-Uclaf 4-thia-1-aza-bicyclo[4,2,0]oct-2-ene derivatives
FR2610630B2 (fr) * 1987-02-06 1989-05-26 Roussel Uclaf Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation, leur application comme medicaments et les compositions pharmaceutiques les contenant

Also Published As

Publication number Publication date
IL74253A (en) 1992-08-18
DE3587237T2 (de) 1993-11-04
ES8801662A1 (es) 1988-02-16
CN1055363A (zh) 1991-10-16
FR2610629B2 (fr) 1989-05-26
GR850360B (ko) 1985-06-14
FR2559486A1 (fr) 1985-08-16
CA1251443A (fr) 1989-03-21
HUT39747A (en) 1986-10-29
JPS60184087A (ja) 1985-09-19
EP0153229A2 (fr) 1985-08-28
EP0153229B1 (fr) 1993-04-07
ES550855A0 (es) 1988-02-16
JPH0662637B2 (ja) 1994-08-17
US5663164A (en) 1997-09-02
FI86067C (fi) 1992-07-10
DK63285D0 (da) 1985-02-12
PT79954A (fr) 1985-03-01
FR2559486B1 (fr) 1988-02-12
DE3587237D1 (de) 1993-05-13
AU3867185A (en) 1985-08-22
FR2586019A2 (fr) 1987-02-13
AU589352B2 (en) 1989-10-12
OA07932A (fr) 1987-01-31
IE59899B1 (en) 1994-04-20
PT79954B (fr) 1987-02-02
ATE87922T1 (de) 1993-04-15
HU203356B (en) 1991-07-29
ZA85866B (en) 1986-03-26
KR850005846A (ko) 1985-09-26
FR2610628A2 (fr) 1988-08-12
ES540284A0 (es) 1986-04-01
FR2610629A2 (fr) 1988-08-12
IL74253A0 (en) 1985-05-31
FR2586019B2 (fr) 1988-10-14
JPH06220064A (ja) 1994-08-09
EP0153229A3 (en) 1985-10-09
NO850024L (no) 1985-08-14
FI850583A0 (fi) 1985-02-12
NZ211111A (en) 1988-01-08
JPH0742293B2 (ja) 1995-05-10
KR920007463B1 (ko) 1992-09-03
FI86067B (fi) 1992-03-31
IE850336L (en) 1985-08-13
ES8606363A1 (es) 1986-04-01
FR2610628B2 (fr) 1989-05-26
MA20350A1 (fr) 1985-10-01
FI850583L (fi) 1985-08-14

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