NO743876L - - Google Patents

Info

Publication number: NO743876L
Authority: NO; Norway
Prior art keywords: digitoxin; formula; stated; procedure; starting material
Prior art date: 1973-10-29

Application number

NO743876A

Other languages

English (en)

Norwegian (no)

Inventor

W Loesel

W Traunecker

W Hoefke

Original Assignee

Boehringer Sohn Ingelheim

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.)

1973-10-29

Filing date

1974-10-28

Publication date

1975-05-26

1974-10-28 Application filed by Boehringer Sohn Ingelheim filed Critical Boehringer Sohn Ingelheim

1975-05-26 Publication of NO743876L publication Critical patent/NO743876L/no

Links

229960000648 digitoxin Drugs 0.000 claims description 13
WDJUZGPOPHTGOT-OAXVISGBSA-N Digitoxin Natural products O([C@H]1[C@@H](C)O[C@@H](O[C@@H]2C[C@@H]3[C@@](C)([C@@H]4[C@H]([C@]5(O)[C@@](C)([C@H](C6=CC(=O)OC6)CC5)CC4)CC3)CC2)C[C@H]1O)[C@H]1O[C@@H](C)[C@H](O[C@H]2O[C@@H](C)[C@@H](O)[C@@H](O)C2)[C@@H](O)C1 WDJUZGPOPHTGOT-OAXVISGBSA-N 0.000 claims description 12
150000001875 compounds Chemical class 0.000 claims description 12
WDJUZGPOPHTGOT-XUDUSOBPSA-N digitoxin Chemical compound C1[C@H](O)[C@H](O)[C@@H](C)O[C@H]1O[C@@H]1[C@@H](C)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@@H]3C[C@@H]4[C@]([C@@H]5[C@H]([C@]6(CC[C@@H]([C@@]6(C)CC5)C=5COC(=O)C=5)O)CC4)(C)CC3)C[C@@H]2O)C)C[C@@H]1O WDJUZGPOPHTGOT-XUDUSOBPSA-N 0.000 claims description 12
238000000034 method Methods 0.000 claims description 5
239000007858 starting material Substances 0.000 claims description 4
230000001225 therapeutic effect Effects 0.000 claims description 3
125000004432 carbon atom Chemical group C* 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims description 2
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
238000006243 chemical reaction Methods 0.000 description 7
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 4
GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Chemical compound OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 4
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
229940097217 cardiac glycoside Drugs 0.000 description 4
239000002368 cardiac glycoside Substances 0.000 description 4
229930182470 glycoside Natural products 0.000 description 4
150000002338 glycosides Chemical class 0.000 description 4
229930002534 steroid glycoside Natural products 0.000 description 4
150000008143 steroidal glycosides Chemical class 0.000 description 4
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
230000002378 acidificating effect Effects 0.000 description 3
239000013543 active substance Substances 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
QSKWJTXWJJOJFP-UHFFFAOYSA-N chloroform;ethoxyethane Chemical compound ClC(Cl)Cl.CCOCC QSKWJTXWJJOJFP-UHFFFAOYSA-N 0.000 description 3
238000000576 coating method Methods 0.000 description 3
239000008298 dragée Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000008030 elimination Effects 0.000 description 3
238000003379 elimination reaction Methods 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
238000002156 mixing Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 2
KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
206010019280 Heart failures Diseases 0.000 description 2
AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
238000009825 accumulation Methods 0.000 description 2
239000002775 capsule Substances 0.000 description 2
239000001768 carboxy methyl cellulose Substances 0.000 description 2
239000000969 carrier Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
239000007859 condensation product Substances 0.000 description 2
235000011389 fruit/vegetable juice Nutrition 0.000 description 2
HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
LPMXVESGRSUGHW-HBYQJFLCSA-N ouabain Chemical compound O[C@@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@H]1O[C@@H]1C[C@@]2(O)CC[C@H]3[C@@]4(O)CC[C@H](C=5COC(=O)C=5)[C@@]4(C)C[C@@H](O)[C@@H]3[C@@]2(CO)[C@H](O)C1 LPMXVESGRSUGHW-HBYQJFLCSA-N 0.000 description 2
VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
239000000546 pharmaceutical excipient Substances 0.000 description 2
229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 description 2
235000000346 sugar Nutrition 0.000 description 2
239000000829 suppository Substances 0.000 description 2
239000000454 talc Substances 0.000 description 2
235000012222 talc Nutrition 0.000 description 2
229910052623 talc Inorganic materials 0.000 description 2
SGJBIFUEFLWXJY-UHFFFAOYSA-N 1-(dibutoxymethoxy)butane Chemical compound CCCCOC(OCCCC)OCCCC SGJBIFUEFLWXJY-UHFFFAOYSA-N 0.000 description 1
LTMHDMANZUZIPE-UHFFFAOYSA-N 3-[3-[5-[5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-4-hydroxy-6-methyloxan-2-yl]oxy-4-hydroxy-6-methyloxan-2-yl]oxy-12,14-dihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2h-furan-5-one Chemical compound C1C(O)C(O)C(C)OC1OC1C(C)OC(OC2C(OC(OC3CC4C(C5C(C6(CCC(C6(C)C(O)C5)C=5COC(=O)C=5)O)CC4)(C)CC3)CC2O)C)CC1O LTMHDMANZUZIPE-UHFFFAOYSA-N 0.000 description 1
FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical class OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
244000215068 Acacia senegal Species 0.000 description 1
208000032529 Accidental overdose Diseases 0.000 description 1
LPMXVESGRSUGHW-UHFFFAOYSA-N Acolongiflorosid K Natural products OC1C(O)C(O)C(C)OC1OC1CC2(O)CCC3C4(O)CCC(C=5COC(=O)C=5)C4(C)CC(O)C3C2(CO)C(O)C1 LPMXVESGRSUGHW-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
229920000623 Cellulose acetate phthalate Polymers 0.000 description 1
229920002261 Corn starch Polymers 0.000 description 1
FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
240000001879 Digitalis lutea Species 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
229920000084 Gum arabic Polymers 0.000 description 1
239000002841 Lewis acid Substances 0.000 description 1
RLAHWVDQYNDAGG-UHFFFAOYSA-N Methanetriol Chemical compound OC(O)O RLAHWVDQYNDAGG-UHFFFAOYSA-N 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
229920001800 Shellac Polymers 0.000 description 1
239000000205 acacia gum Substances 0.000 description 1
235000010489 acacia gum Nutrition 0.000 description 1
125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
230000036765 blood level Effects 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
235000010216 calcium carbonate Nutrition 0.000 description 1
239000001506 calcium phosphate Substances 0.000 description 1
229910000389 calcium phosphate Inorganic materials 0.000 description 1
235000011010 calcium phosphates Nutrition 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
229940105329 carboxymethylcellulose Drugs 0.000 description 1
229940096529 carboxypolymethylene Drugs 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
229940081734 cellulose acetate phthalate Drugs 0.000 description 1
239000008120 corn starch Substances 0.000 description 1
229940109275 cyclamate Drugs 0.000 description 1
HCAJEUSONLESMK-UHFFFAOYSA-N cyclohexylsulfamic acid Chemical compound OS(=O)(=O)NC1CCCCC1 HCAJEUSONLESMK-UHFFFAOYSA-N 0.000 description 1
239000007884 disintegrant Substances 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
-1 ethoxymethylidene digitoxin Chemical compound 0.000 description 1
150000002191 fatty alcohols Chemical class 0.000 description 1
235000003599 food sweetener Nutrition 0.000 description 1
210000001035 gastrointestinal tract Anatomy 0.000 description 1
239000007903 gelatin capsule Substances 0.000 description 1
229960005150 glycerol Drugs 0.000 description 1
238000007172 homogeneous catalysis Methods 0.000 description 1
239000003701 inert diluent Substances 0.000 description 1
239000012442 inert solvent Substances 0.000 description 1
150000007517 lewis acids Chemical class 0.000 description 1
235000019359 magnesium stearate Nutrition 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229940098779 methanesulfonic acid Drugs 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
229960003343 ouabain Drugs 0.000 description 1
150000002989 phenols Chemical class 0.000 description 1
231100000572 poisoning Toxicity 0.000 description 1
230000000607 poisoning effect Effects 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
229940075065 polyvinyl acetate Drugs 0.000 description 1
239000001267 polyvinylpyrrolidone Substances 0.000 description 1
229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
230000009090 positive inotropic effect Effects 0.000 description 1
CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
239000001120 potassium sulphate Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
229940081974 saccharin Drugs 0.000 description 1
235000019204 saccharin Nutrition 0.000 description 1
239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
239000004208 shellac Substances 0.000 description 1
235000013874 shellac Nutrition 0.000 description 1
ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
229940113147 shellac Drugs 0.000 description 1
235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
239000011877 solvent mixture Substances 0.000 description 1
239000000600 sorbitol Substances 0.000 description 1
239000003765 sweetening agent Substances 0.000 description 1
239000003826 tablet Substances 0.000 description 1
239000002562 thickening agent Substances 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
235000010215 titanium dioxide Nutrition 0.000 description 1
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 1
MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
235000012141 vanillin Nutrition 0.000 description 1
FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
239000000080 wetting agent Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J19/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Steroid Compounds (AREA)
Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

NO743876A 1973-10-29 1974-10-28 NO743876L (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732354119 DE2354119A1 (de)	1973-10-29	1973-10-29	Neue orthoformiatderivate des digitoxins, verfahren zu deren herstellung sowie diese enthaltende arzneimittel

Publications (1)

Publication Number	Publication Date
NO743876L true NO743876L (de)	1975-05-26

Family

ID=5896726

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO743876A NO743876L (de)	1973-10-29	1974-10-28

Country Status (13)

Country	Link
US (1)	US3907775A (de)
JP (1)	JPS5071668A (de)
AT (1)	AT337369B (de)
BE (1)	BE821566A (de)
DE (1)	DE2354119A1 (de)
DK (1)	DK133303C (de)
ES (1)	ES431234A1 (de)
FI (1)	FI282174A7 (de)
FR (1)	FR2248849B1 (de)
GB (1)	GB1478988A (de)
NL (1)	NL7414047A (de)
NO (1)	NO743876L (de)
SE (1)	SE7413565L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1144136B (it) *	1980-03-05	1986-10-29	Zenyaku Kogyo Kk	Glucosidi di condurango agenti antitumorali che li comprendono e procedimento per la loro preparazione
DE3146899A1 (de)	1981-11-26	1983-06-01	Boehringer Mannheim Gmbh, 6800 Mannheim	Neue ketale von 3'''-dehydro-cardenolid-tridigitoxosiden, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1568216A1 (de) *	1966-12-15	1970-03-19	Boehringer Mannheim Gmbh	Verfahren zur Herstellung cyclischer AEther von Cardenolid-Digitoxosiden
DE2101595A1 (de) *	1971-01-14	1972-07-27	CH. Boehringer Sohn, 6507 Ingelheim	Neue Acylderivate des Digoxins und Verfahren zu deren Herstellung

1973
- 1973-10-29 DE DE19732354119 patent/DE2354119A1/de active Pending
1974
- 1974-09-26 FI FI2821/74A patent/FI282174A7/fi unknown
- 1974-10-21 AT AT842874A patent/AT337369B/de not_active IP Right Cessation
- 1974-10-22 ES ES431234A patent/ES431234A1/es not_active Expired
- 1974-10-25 US US517909A patent/US3907775A/en not_active Expired - Lifetime
- 1974-10-28 DK DK561374A patent/DK133303C/da active
- 1974-10-28 NL NL7414047A patent/NL7414047A/xx not_active Application Discontinuation
- 1974-10-28 BE BE149955A patent/BE821566A/xx unknown
- 1974-10-28 SE SE7413565A patent/SE7413565L/xx unknown
- 1974-10-28 JP JP49124221A patent/JPS5071668A/ja active Pending
- 1974-10-28 NO NO743876A patent/NO743876L/no unknown
- 1974-10-28 GB GB46509/74A patent/GB1478988A/en not_active Expired
- 1974-10-29 FR FR7436116A patent/FR2248849B1/fr not_active Expired

Also Published As

Publication number	Publication date
US3907775A (en)	1975-09-23
FI282174A7 (de)	1975-04-30
JPS5071668A (de)	1975-06-13
SE7413565L (de)	1975-04-30
DK133303B (da)	1976-04-26
DK133303C (da)	1976-11-01
BE821566A (fr)	1975-04-28
FR2248849B1 (de)	1977-11-04
ES431234A1 (es)	1976-10-16
NL7414047A (nl)	1975-05-02
AT337369B (de)	1977-06-27
ATA842874A (de)	1976-10-15
DK561374A (de)	1975-06-23
FR2248849A1 (de)	1975-05-23
GB1478988A (en)	1977-07-06
DE2354119A1 (de)	1975-05-15

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