AT379387B - METHOD FOR PRODUCING NEW 5- (PYRIDINYL) -2 (1H) -PYRIDINONE COMPOUNDS AND THE SALTS THEREOF - Google Patents

METHOD FOR PRODUCING NEW 5- (PYRIDINYL) -2 (1H) -PYRIDINONE COMPOUNDS AND THE SALTS THEREOF

Info

Publication number
AT379387B
AT379387B AT0578080A AT578080A AT379387B AT 379387 B AT379387 B AT 379387B AT 0578080 A AT0578080 A AT 0578080A AT 578080 A AT578080 A AT 578080A AT 379387 B AT379387 B AT 379387B
Authority
AT
Austria
Prior art keywords
pyridinyl
salts
producing new
pyridinone compounds
pyridinone
Prior art date
Application number
AT0578080A
Other languages
German (de)
Other versions
ATA578080A (en
Original Assignee
Sterling Drug Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/135,100 external-priority patent/US4297360A/en
Priority claimed from US06/198,461 external-priority patent/US4313951A/en
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Priority to AT0095983A priority Critical patent/AT379386B/en
Publication of ATA578080A publication Critical patent/ATA578080A/en
Application granted granted Critical
Publication of AT379387B publication Critical patent/AT379387B/en

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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/84—Nitriles
    • C07D213/85—Nitriles 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
    • C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
    • C07D213/46—Oxygen atoms
    • C07D213/50—Ketonic 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/64—One oxygen atom attached in position 2 or 6
    • 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
    • C07D213/73—Unsubstituted amino or imino 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
    • C07D213/74—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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • C07D213/80—Acids; Esters 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81—Amides; Imides
    • C07D213/82—Amides; Imides in position 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
AT0578080A 1979-11-26 1980-11-26 METHOD FOR PRODUCING NEW 5- (PYRIDINYL) -2 (1H) -PYRIDINONE COMPOUNDS AND THE SALTS THEREOF AT379387B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0095983A AT379386B (en) 1979-11-26 1983-03-17 METHOD FOR PRODUCING NEW 1-PYRIDINYL-2- (DIALKYLAMINO) -AETHENYL-LOW.-ALKY KETONES

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US9750479A 1979-11-26 1979-11-26
US06/135,100 US4297360A (en) 1980-03-28 1980-03-28 5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their cardiotonic use
US06/198,461 US4313951A (en) 1979-11-26 1980-10-20 3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates therefor
US06/204,726 US4312875A (en) 1980-03-28 1980-11-06 5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof

Publications (2)

Publication Number Publication Date
ATA578080A ATA578080A (en) 1985-05-15
AT379387B true AT379387B (en) 1985-12-27

Family

ID=27492921

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0578080A AT379387B (en) 1979-11-26 1980-11-26 METHOD FOR PRODUCING NEW 5- (PYRIDINYL) -2 (1H) -PYRIDINONE COMPOUNDS AND THE SALTS THEREOF

Country Status (20)

Country Link
AT (1) AT379387B (en)
CH (1) CH649535A5 (en)
DE (1) DE3044568A1 (en)
DK (1) DK151799C (en)
ES (1) ES507620A0 (en)
FI (1) FI76564C (en)
FR (2) FR2470124B1 (en)
GB (2) GB2065642B (en)
GR (1) GR71608B (en)
HK (2) HK31189A (en)
IE (1) IE50632B1 (en)
IL (2) IL61501A (en)
IT (1) IT1148740B (en)
LU (1) LU82957A1 (en)
MX (1) MX155904A (en)
NL (2) NL192202C (en)
NO (2) NO154345C (en)
NZ (1) NZ195564A (en)
PT (1) PT72106B (en)
SE (1) SE442398B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305948A (en) * 1980-12-22 1981-12-15 Sterling Drug Inc. N-Hydroxy-1,2-dihydro-2-oxo-5-(pyridinyl)-nicotinimidamide and their cardiotonic use
US4465686A (en) * 1981-09-08 1984-08-14 Sterling Drug Inc. 5-(Hydroxy- and/or amino-phenyl)-6-(lower-alkyl)-2-(1H)-pyridinones, their cardiotonic use and preparation
FR2529891A1 (en) * 1982-07-12 1984-01-13 Nativelle Sa Ets PYRIDYL-3 ALCOXY-5 PYRAZOLE DERIVATIVES, PREPARATION METHOD AND THERAPEUTIC APPLICATION
IL69407A (en) * 1982-08-23 1987-10-20 Warner Lambert Co 2(1h)-pyridinones,their preparation and pharmaceutical compositions containing them
IL70169A0 (en) * 1982-11-18 1984-02-29 Sterling Drug Inc 2(1h)-pyridinones,their preparation and pharmaceutical compositions containing them
GB8414220D0 (en) * 1984-06-04 1984-07-11 Sterwin Ag Medicaments in unit dose form
EP0544812B1 (en) * 1990-08-21 1995-04-05 The Upjohn Company Bisphosphonic acid derivatives as anti-arthritic agents
CZ403592A3 (en) * 1992-02-20 1993-12-15 Hoechst Ag Arylcarbonylaminoalkyldihydrooxopyridines, process of their preparation and their use
US7772188B2 (en) 2003-01-28 2010-08-10 Ironwood Pharmaceuticals, Inc. Methods and compositions for the treatment of gastrointestinal disorders
EP1831168B1 (en) * 2004-12-16 2014-07-02 Vertex Pharmaceuticals Inc. Pyrid-2-ones useful as inhibitors of tec family protein kinases for the treatment of inflammatory, proliferative and immunologically-mediated diseases.
ZA200804550B (en) 2005-11-09 2009-08-26 Combinatorx Inc Methods, compositions, and kits for the treatment of medical conditions
EA020466B1 (en) 2007-06-04 2014-11-28 Синерджи Фармасьютикалз Инк. Agonists of guanylate cyclase useful for the treatment of gastrointestinal disorders, inflammation, cancer and other disorders
US8969514B2 (en) 2007-06-04 2015-03-03 Synergy Pharmaceuticals, Inc. Agonists of guanylate cyclase useful for the treatment of hypercholesterolemia, atherosclerosis, coronary heart disease, gallstone, obesity and other cardiovascular diseases
EP2810951B1 (en) 2008-06-04 2017-03-15 Synergy Pharmaceuticals Inc. Agonists of guanylate cyclase useful for the treatment of gastrointestinal disorders, inflammation, cancer and other disorders
ES2624828T3 (en) 2008-07-16 2017-07-17 Synergy Pharmaceuticals Inc. Guanylate cyclase agonists useful for the treatment of gastrointestinal disorders, inflammation, cancer and others
US9616097B2 (en) 2010-09-15 2017-04-11 Synergy Pharmaceuticals, Inc. Formulations of guanylate cyclase C agonists and methods of use
EA201391254A1 (en) 2011-03-01 2014-02-28 Синерджи Фармасьютикалз Инк. METHOD FOR OBTAINING GUANYLATZCLAZE AGONISTS C
EP3718546A1 (en) 2011-08-16 2020-10-07 Cardiora Pty Ltd Controlled-release formulation
EP2804603A1 (en) 2012-01-10 2014-11-26 President and Fellows of Harvard College Beta-cell replication promoting compounds and methods of their use
EP2958577A2 (en) 2013-02-25 2015-12-30 Synergy Pharmaceuticals Inc. Guanylate cyclase receptor agonists for use in colonic cleansing
CA2905438A1 (en) 2013-03-15 2014-09-25 Synergy Pharmaceuticals Inc. Agonists of guanylate cyclase and their uses
CA2905435A1 (en) 2013-03-15 2014-09-25 Synergy Pharmaceuticals Inc. Compositions useful for the treatment of gastrointestinal disorders
PT3004138T (en) 2013-06-05 2024-06-18 Bausch Health Ireland Ltd Ultra-pure agonists of guanylate cyclase c, method of making and using same
AU2014305843B2 (en) 2013-08-09 2019-08-29 Ardelyx, Inc. Compounds and methods for inhibiting phosphate transport
WO2016101024A1 (en) 2014-12-22 2016-06-30 Baker Idi Heart & Diabetes Institute Holdings Limited Method of treatment
WO2020237096A1 (en) 2019-05-21 2020-11-26 Ardelyx, Inc. Combination for lowering serum phosphate in a patient

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646469A1 (en) * 1975-10-14 1977-04-28 Sterling Drug Inc PYRIDINYL-2 (1H) -PYRIDINONE AND THEIR PRODUCTION

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004012A (en) * 1975-10-14 1977-01-18 Sterling Drug Inc. 3-Cyano-5-(pyridinyl)-2(1H)-pyridinones

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646469A1 (en) * 1975-10-14 1977-04-28 Sterling Drug Inc PYRIDINYL-2 (1H) -PYRIDINONE AND THEIR PRODUCTION

Also Published As

Publication number Publication date
DE3044568A1 (en) 1981-08-27
NO156127C (en) 1987-07-29
NL8006399A (en) 1981-06-16
NO154345B (en) 1986-05-26
HK31189A (en) 1989-04-21
IE50632B1 (en) 1986-05-28
IL61501A (en) 1984-06-29
ES8301920A1 (en) 1982-11-16
DK151799B (en) 1988-01-04
PT72106A (en) 1980-12-01
PT72106B (en) 1981-09-29
NZ195564A (en) 1983-09-30
FI76564B (en) 1988-07-29
DK151799C (en) 1988-06-20
GB8315983D0 (en) 1983-07-13
FI76564C (en) 1988-11-10
GB2131421B (en) 1985-06-26
NL192202B (en) 1996-11-01
GB2065642B (en) 1984-04-04
NL192202C (en) 1997-03-04
DK501180A (en) 1981-05-27
FR2470124A1 (en) 1981-05-29
IL61501A0 (en) 1981-05-20
NO803550L (en) 1981-05-27
SE442398B (en) 1985-12-23
NO854001L (en) 1981-05-27
CH649535A5 (en) 1985-05-31
DE3044568C2 (en) 1990-11-29
NL970028I2 (en) 1998-03-02
FR2553767B1 (en) 1987-01-16
GR71608B (en) 1983-06-17
FR2553767A1 (en) 1985-04-26
FI803652L (en) 1981-05-27
ATA578080A (en) 1985-05-15
GB2065642A (en) 1981-07-01
MX155904A (en) 1988-05-23
NO156127B (en) 1987-04-21
IE802430L (en) 1981-05-26
NO154345C (en) 1986-09-03
GB2131421A (en) 1984-06-20
HK83090A (en) 1990-10-19
FR2470124B1 (en) 1986-12-19
IT1148740B (en) 1986-12-03
IL69847A0 (en) 1983-12-30
LU82957A1 (en) 1981-06-04
SE8008252L (en) 1981-05-27
NL970028I1 (en) 1997-10-01
ES507620A0 (en) 1982-11-16
IT8026218A0 (en) 1980-11-25

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