Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1984-06-13
1985-12-10
Roberts, Elbert L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
2603974, 2603975, 26023955C, 514182, C07J 100, A61K 3156
Patent
active
045580413
ABSTRACT:
17.alpha.-substituted steroids of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl,
REFERENCES:
patent: 3391168 (1968-07-01), Counsell et al.
patent: 3705180 (1972-12-01), Klimstra
Albring Manfred
Bittler Dieter
Schleusener Annerose
Wiechert Rudolf
Roberts Elbert L.
Schering Aktiengesellschaft
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