IT1092262B - Spirolattoni e procedimento per la loro preparazione - Google Patents

Spirolattoni e procedimento per la loro preparazione

Info

Publication number
IT1092262B
IT1092262B IT29658/77A IT2965877A IT1092262B IT 1092262 B IT1092262 B IT 1092262B IT 29658/77 A IT29658/77 A IT 29658/77A IT 2965877 A IT2965877 A IT 2965877A IT 1092262 B IT1092262 B IT 1092262B
Authority
IT
Italy
Prior art keywords
spirolattoni
procedure
preparation
Prior art date
Application number
IT29658/77A
Other languages
English (en)
Italian (it)
Original Assignee
Schering Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=5993550&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1092262(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schering Ag filed Critical Schering Ag
Application granted granted Critical
Publication of IT1092262B publication Critical patent/IT1092262B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
    • C07J53/002—Carbocyclic rings fused
    • C07J53/004—3 membered carbocyclic rings
    • C07J53/007—3 membered carbocyclic rings in position 6-7
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A61P5/38—Drugs for disorders of the endocrine system of the suprarenal hormones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/10—Antioedematous agents; Diuretics
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0003—Androstane derivatives
    • C07J1/0033—Androstane derivatives substituted in position 17 alfa and 17 beta
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/001—Lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J31/00—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
    • C07J31/003—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring the S atom directly linked to a ring carbon atom of the cyclopenta(a)hydrophenanthrene skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
    • C07J53/002—Carbocyclic rings fused
    • C07J53/004—3 membered carbocyclic rings
    • C07J53/008—3 membered carbocyclic rings in position 15/16

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Diabetes (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Endocrinology (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
IT29658/77A 1976-11-16 1977-11-15 Spirolattoni e procedimento per la loro preparazione IT1092262B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2652761A DE2652761C2 (de) 1976-11-16 1976-11-16 15,16-Methylen-Spirolactone, Verfahren zu deren Herstellung und diese enthaltende Arzneimittel

Publications (1)

Publication Number Publication Date
IT1092262B true IT1092262B (it) 1985-07-06

Family

ID=5993550

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29658/77A IT1092262B (it) 1976-11-16 1977-11-15 Spirolattoni e procedimento per la loro preparazione

Country Status (23)

Country Link
US (1) US4129564A (US06582424-20030624-M00016.png)
JP (2) JPS5363373A (US06582424-20030624-M00016.png)
AT (1) AT356827B (US06582424-20030624-M00016.png)
AU (1) AU512611B2 (US06582424-20030624-M00016.png)
BE (1) BE860877A (US06582424-20030624-M00016.png)
CA (1) CA1092094A (US06582424-20030624-M00016.png)
CH (2) CH631463A5 (US06582424-20030624-M00016.png)
CS (1) CS194823B2 (US06582424-20030624-M00016.png)
DD (1) DD132968B3 (US06582424-20030624-M00016.png)
DE (1) DE2652761C2 (US06582424-20030624-M00016.png)
DK (1) DK141967C (US06582424-20030624-M00016.png)
ES (1) ES464193A1 (US06582424-20030624-M00016.png)
FR (1) FR2370755A1 (US06582424-20030624-M00016.png)
GB (1) GB1550568A (US06582424-20030624-M00016.png)
GR (1) GR65227B (US06582424-20030624-M00016.png)
HU (1) HU174983B (US06582424-20030624-M00016.png)
IE (1) IE46076B1 (US06582424-20030624-M00016.png)
IL (1) IL53353A (US06582424-20030624-M00016.png)
IT (1) IT1092262B (US06582424-20030624-M00016.png)
LU (1) LU78514A1 (US06582424-20030624-M00016.png)
NL (1) NL7711946A (US06582424-20030624-M00016.png)
SE (1) SE436425B (US06582424-20030624-M00016.png)
SU (2) SU695560A3 (US06582424-20030624-M00016.png)

Families Citing this family (73)

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DE2922500A1 (de) * 1979-05-31 1980-12-04 Schering Ag 6 beta .7 beta
DE3051166C2 (en) * 1980-06-11 1990-10-18 Schering Ag, 1000 Berlin Und 4709 Bergkamen, De Compsns. for contraception or treatment of gynaecological disorders
DE3022337A1 (de) * 1980-06-11 1982-01-07 Schering Ag Berlin Und Bergkamen, 1000 Berlin Praeparate zur kontrazeption und zur behandlung gynaekologischer stoerungen
DE3111951A1 (de) * 1981-03-23 1982-09-30 Schering Ag, 1000 Berlin Und 4619 Bergkamen 7(alpha)-alkoxycarbonyl-15ss-methylen-4-androstene, verfahren zu ihrer herstellung und verwendung als arzneimittel
DE3265852D1 (en) * 1981-09-21 1985-10-03 Schering Ag 3-beta,7-beta,15-alpha-trihydroxy-5-androsten-17-one, its 3,15-dipivalate, and its preparation
DE3213962A1 (de) * 1982-04-13 1983-10-13 Schering AG, 1000 Berlin und 4709 Bergkamen 1(alpha).2(alpha);6(beta).7(beta).15(beta).16(beta)-trimethylen-3-oxo-17(alpha)-pregn-4-en-21.17-carbolacton, dessen herstellung und verwendung als arzneimittel
DE3227598A1 (de) * 1982-07-22 1984-01-26 Schering AG, 1000 Berlin und 4709 Bergkamen 7(alpha)-acylthio-15.16-methylen-3-oxo-17(alpha)-pregna-1.4-dien-21,17-carbolactone, verfahren zu ihrer herstellung und verwendung als arzneimittel
DE3234972A1 (de) * 1982-09-17 1984-03-22 Schering AG, 1000 Berlin und 4709 Bergkamen 7(alpha)-alkyl-17(alpha)-pregn-4-en-21.17-carbolactone und -21-carbonsaeuresalze sowie verfahren zu ihrer herstellung und diese enthaltende pharmazeutische praeparate
DE3240510A1 (de) * 1982-10-29 1984-05-03 Schering AG, 1000 Berlin und 4709 Bergkamen Neue 7(alpha)-acylthio-1(alpha),2(alpha)-methylen-3-oxo-17(alpha)-pregn-4-en-21,17-carbolactone, deren herstellung und diese enthaltende arzneimittel
JPS59139400A (ja) * 1983-01-31 1984-08-10 Shionogi & Co Ltd 抗アルドステロン活性ステロイド誘導体
DE3306554A1 (de) * 1983-02-22 1984-08-23 Schering AG, 1000 Berlin und 4709 Bergkamen Verfahren zur herstellung von 3-((delta)(pfeil hoch)4(pfeil hoch)-3-ketosteroid-17(alpha)-yl)-propionsaeurelactonen
US4559332A (en) * 1983-04-13 1985-12-17 Ciba Geigy Corporation 20-Spiroxanes and analogues having an open ring E, processes for their manufacture, and pharmaceutical preparations thereof
EP0134529B1 (de) * 1983-08-17 1990-03-21 Schering Aktiengesellschaft 7-alpha-Substituierte 3-Oxo-17alpha-pregn-4-en-21.17-carbolactone, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Präparate
DE3347510A1 (de) * 1983-12-27 1985-08-01 Schering AG, 1000 Berlin und 4709 Bergkamen Verfahren zur herstellung von 3-oxo-17(alpha)-pregna-4,6-dien-21,17-carbolactonen
DE3402329A1 (de) * 1984-01-20 1985-08-01 Schering AG, 1000 Berlin und 4709 Bergkamen 6,6-ethylen-15,16-methylen-3-oxo-17(alpha)-pregn-4-en-21,17-carbolactone, verfahren zu deren herstellung und diese enthaltende pharmazeutische praeparate
US4670551A (en) * 1984-06-21 1987-06-02 Ciba-Geigy Corporation Epoxy steroids
JPS6248694A (ja) * 1985-08-28 1987-03-03 Shionogi & Co Ltd 抗アルドステロン活性ステロイド誘導体
DE3544661A1 (de) * 1985-12-13 1987-06-19 Schering Ag Verfahren zur herstellung von 7(alpha)-acetylthiosteroiden
JPS62132932U (US06582424-20030624-M00016.png) * 1986-02-14 1987-08-21
US4837211A (en) * 1987-04-06 1989-06-06 Carolina Medical Products, Inc. Spironolactone composition
JPS6453026U (US06582424-20030624-M00016.png) * 1987-09-29 1989-03-31
DE3916112A1 (de) * 1989-05-16 1990-11-22 Schering Ag Dihydrospirorenon als antiandrogen
DE4344462C2 (de) 1993-12-22 1996-02-01 Schering Ag Zusammensetzung für die Empfängnisverhütung
ES2175098T3 (es) * 1995-06-07 2002-11-16 Searle & Co Terapia de combinacion de espironolactona y antagonista de angiotensina hi para el tratamiento del fallo cardiaco congestivo.
DE19633685C1 (de) * 1996-08-12 1997-10-09 Schering Ag Verfahren zur Herstellung von Drospirenon (6beta,7beta;15 beta,16beta-Dimethyl-en-3-oxo-17alpha-pregn-4-en-21,17-carbolacton, DRSP) sowie 7alpha-(3-Hydroxy-1-propyl)-6beta,7beta;15beta, 16beta-dimethylen-5beta-androstan-3beta,5,17beta-triol (ZK 92836) und 6beta,7beta;15beta,16beta-dimethylen-5beta-hydroxy-3-oxo-17alpha-androstan-21,17-carbolacton (90965) als Zwischenprodukte des Verfahrens
DE19651000A1 (de) * 1996-12-01 1998-06-04 Schering Ag Oxyiminopregnancarbolactone
PL348198A1 (en) * 1998-11-06 2002-05-06 Searle & Co Combination therapy of angiotensin converting enzyme inhibitor and aldosterone antagonist for reducing morbidity and mortality from cardiovascular disease
MXPA02002043A (es) * 1999-08-31 2003-08-20 Schering Ag Composicion farmaceutica de etinilestradiol y drospirenona para el uso como anticonceptivo.
EP2305267A3 (en) 1999-08-31 2011-08-17 Bayer Schering Pharma Aktiengesellschaft Pharmaceutical combination of ethinylestradiol and drospirenone for use as a contraceptive
HU227207B1 (en) 1999-08-31 2010-11-29 Bayer Schering Pharma Ag Use of a pharmaceutical combination of ethinylestradiol and drospirenone for producing pharmaceutical compositions having contraceptive activity
US6787531B1 (en) * 1999-08-31 2004-09-07 Schering Ag Pharmaceutical composition for use as a contraceptive
US20020132801A1 (en) * 2001-01-11 2002-09-19 Schering Aktiengesellschaft Drospirenone for hormone replacement therapy
KR100913910B1 (ko) * 2000-01-18 2009-08-26 바이엘 쉐링 파마 악티엔게젤샤프트 호르몬 보충 요법용 드로스피렌온
CA2416152A1 (en) * 2000-07-27 2002-02-07 Pharmacia Corporation Aldosterone blocker therapy to prevent or treat inflammation-related disorders
US6716829B2 (en) 2000-07-27 2004-04-06 Pharmacia Corporation Aldosterone antagonist and cyclooxygenase-2 inhibitor combination therapy to prevent or treat inflammation-related cardiovascular disorders
EP1216713A1 (en) 2000-12-20 2002-06-26 Schering Aktiengesellschaft Compositions of estrogen-cyclodextrin complexes
EP1216712A1 (en) 2000-12-20 2002-06-26 Schering Aktiengesellschaft Cyclodextrin-drospirenone inclusion complexes
EP1406634A1 (en) * 2001-07-13 2004-04-14 Schering Aktiengesellschaft Combination of drospirenone and an estrogen sulphamate for hrt
AU2003222009A1 (en) * 2002-03-18 2003-10-08 Pharmacia Corporation Combination of an aldosterone receptor antagonist and nicotinic acid or a nicotinic acid derivative
EP1485105A1 (en) * 2002-03-18 2004-12-15 Pharmacia Corporation Combination of an aldosterone receptor antagonist and a bile acid sequestering agent
ITMI20040367A1 (it) * 2004-03-01 2004-06-01 Ind Chimica Srl Processo per la preparazione di drospirenone
US20050220825A1 (en) * 2004-03-10 2005-10-06 Adrian Funke Molecular dispersions of drospirenone
HUP0402465A2 (en) * 2004-11-30 2006-07-28 Richter Gedeon Vegyeszet Industrial process for preparing 17-hydroxy-6-betha, 7-betha, 15-betha, 16-betha-bis-methylene-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid gamma lacton and the main intermediates of the process
HUP0402466A2 (en) * 2004-11-30 2006-07-28 Richter Gedeon Vegyeszet Industrial process for preparing 17-hydroxy-6-betha, 7-betha, 15-betha, 16-betha-bis-methylene-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid gamma lacton and the main, intermediates of the process
US8617597B2 (en) 2006-07-06 2013-12-31 Bayer Intellectual Property Gmbh Pharmaceutical composition containing a tetrahydrofolic acid
WO2008137050A2 (en) 2007-05-01 2008-11-13 Sicor Inc. A process for preparing drospirenone and intermediate thereof
FR2917975B1 (fr) 2007-06-26 2009-10-16 Ceva Sante Animale Sa Compositions et traitement de l'insuffisance cardiaque chez les animaux mammiferes non humains
US20090035373A1 (en) * 2007-07-31 2009-02-05 Katrin Mittmann Pharmaceutical composition for contraception and blood pressure regulation, kit for contraception containing same and method of production of same
US20090035374A1 (en) * 2007-07-31 2009-02-05 Katrin Mittmann Method of making a single-stage pharmaceutical preparation for oral therapy to regulate blood pressure and kit containing same
HUP0700826A3 (en) 2007-12-20 2010-03-29 Richter Gedeon Nyrt Coated tablet containing drospirenone and process for producing the same
US7960368B2 (en) * 2008-03-05 2011-06-14 Everstra, Inc. Bismethylene-17A carbolactones and related uses
WO2010068500A2 (en) * 2008-11-25 2010-06-17 Evestra, Inc. PROGESTATIONAL 3-(6,6-ETHYLENE-17b-HYDROXY-3-OXO-17a-PREGNA-4-ENE-17a -YL) PROPIONIC ACID g-LACTONES
WO2010094624A1 (en) 2009-02-18 2010-08-26 Bayer Schering Pharma Aktiengesellschaft Particles comprising drospirenone encapsulated in a polymer
US20120064166A1 (en) 2009-02-18 2012-03-15 Bayer Pharma Aktienesellschaft Formulation comprising drospirenone for subcutaneous or intramuscular administration
US8334375B2 (en) * 2009-04-10 2012-12-18 Evestra, Inc. Methods for the preparation of drospirenone
ES2432063T3 (es) * 2009-06-16 2013-11-29 Crystal Pharma, S.A.U. Procedimiento para la obtención de 17-espirolactonas en esteroides
ES2641144T3 (es) 2010-05-10 2017-11-07 Inserm (Institut National De La Santé Et De La Recherche Medicale) Métodos y composiciones para el tratamiento de la acumulación de líquido en y/o bajo la retina
US9241944B2 (en) 2010-06-16 2016-01-26 Institut National De La Santé Et De La Recherche Médicale (Inserm) Methods and compositions for stimulating reepithelialisation during wound healing
US11351122B1 (en) 2010-07-28 2022-06-07 Laboratorios Leon Farma Sa Synthetic progestogens and pharmaceutical compositions comprising the same
AR081670A1 (es) 2010-06-29 2012-10-10 Leon Farma Sa Lab Composicion farmaceutica que comprende drospirenona y kit anticonceptivo
US10849857B2 (en) 2010-07-28 2020-12-01 Laboratorios Leon Farma Sa Pharmaceutical compositions comprising active drugs, contraceptive kits comprising active drugs, and methods of administering the same
US9603860B2 (en) 2010-07-28 2017-03-28 Laboratorios Leon Farma Sa Pharmaceutical compositions comprising active drugs, contraceptive kits comprising active drugs, and methods of administering the same
CN102887934B (zh) * 2012-09-20 2015-05-27 杭州福斯特药业有限公司 一种屈螺酮的制备方法
WO2016063269A1 (en) 2014-10-20 2016-04-28 Prendergast Patrick T Use of antagonists to the nuclear steroid receptor alone or in combination as direct antiviral agents to inhibit alphavirus, togaviridae, arenaviridae, filoviridae, bunyaviridae, flaviviridae and rhabdoviridae
EP3108889A1 (en) 2015-06-23 2016-12-28 Philippe Perrin Drospirenone-based contraceptive for a female patient affected with excess weight
EP3313408B1 (en) 2015-06-23 2023-12-06 Laboratorios Leon Farma SA Drospirenone-based contraceptive for a female patient affected with excess weight
WO2017055248A1 (en) 2015-09-28 2017-04-06 INSERM (Institut National de la Santé et de la Recherche Médicale) Methods and pharmaceutical compositions for the treatment of heart failure
ES2846835T3 (es) 2015-10-13 2021-07-29 Inst Nat Sante Rech Med Métodos y composiciones farmacéuticas para el tratamiento de la neovascularización coroidea
WO2018019843A1 (en) 2016-07-26 2018-02-01 INSERM (Institut National de la Santé et de la Recherche Médicale) Antagonist of mineralocorticoid receptor for the treatment of osteoarthritis
EP4134082A1 (en) 2021-08-12 2023-02-15 Chemo Research, S.L. Method for treating endometriosis and providing effective contraception
WO2023031277A1 (en) 2021-08-31 2023-03-09 INSERM (Institut National de la Santé et de la Recherche Médicale) Methods for the treatment of ocular rosacea
WO2023152658A1 (en) 2022-02-10 2023-08-17 Lupin Limited Slow release drospirenone tablet composition
WO2023165988A1 (en) 2022-03-01 2023-09-07 Chemo Research, S.L. Chewable oral contraceptive

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
US3257390A (en) * 1963-06-12 1966-06-21 Merck & Co Inc Ring a unsaturated 21-hydroxy-3-oxo-17alpha-pregnane-17-carboxylic acid lactone diuretic agents
NL166267C (nl) * 1968-03-22 1981-07-15 Merck & Co Inc Werkwijze ter bereiding van farmaceutische preparaten, de onder toepassing daarvan verkregen gevormde voort- brengselen, alsmede werkwijze ter bereiding van 6,7-methyleen-20-spirox-4-en-3-onderivaten met aldoste- ron remmende werking.
DE2237143A1 (de) * 1972-07-28 1974-02-14 Hoechst Ag Verfahren zur herstellung von beta(3-keto-7alpha-acetylthio-17beta-hydroxy4-androsten-17alpha-yl)-propionsaeuregamma-lacton und dessen 1-dehydro-derivat
CH601352A5 (US06582424-20030624-M00016.png) * 1973-09-26 1978-07-14 Hoffmann La Roche

Also Published As

Publication number Publication date
BE860877A (fr) 1978-05-16
SU695560A3 (ru) 1979-10-30
JPH0242840B2 (US06582424-20030624-M00016.png) 1990-09-26
FR2370755A1 (fr) 1978-06-09
DK508077A (da) 1978-05-17
GR65227B (en) 1980-07-30
GB1550568A (en) 1979-08-15
NL7711946A (nl) 1978-05-18
CA1092094A (en) 1980-12-23
IE46076B1 (en) 1983-02-09
HU174983B (hu) 1980-04-28
CS194823B2 (en) 1979-12-31
DD132968A5 (de) 1978-11-22
DE2652761C2 (de) 1985-11-21
ATA815577A (de) 1979-10-15
FR2370755B1 (US06582424-20030624-M00016.png) 1980-06-06
DD132968B3 (de) 1991-03-28
JPS6156240B2 (US06582424-20030624-M00016.png) 1986-12-01
IL53353A0 (en) 1978-01-31
IE46076L (en) 1978-05-16
ES464193A1 (es) 1978-09-01
SE7712891L (sv) 1978-05-17
AU512611B2 (en) 1980-10-16
CH631463A5 (de) 1982-08-13
LU78514A1 (US06582424-20030624-M00016.png) 1978-03-20
US4129564A (en) 1978-12-12
SE436425B (sv) 1984-12-10
CH632774A5 (de) 1982-10-29
DE2652761A1 (de) 1978-05-18
JPS61218595A (ja) 1986-09-29
DK141967C (da) 1980-12-08
IL53353A (en) 1982-04-30
DK141967B (da) 1980-07-28
AU3050977A (en) 1979-05-17
SU743582A3 (ru) 1980-06-25
JPS5363373A (en) 1978-06-06
AT356827B (de) 1980-05-27

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