Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1998-03-06
2000-02-01
Dees, Jose' G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
540107, 540108, 514841, 514843, A61K 3158, C07J 4300
Patent
active
060203285
ABSTRACT:
The invention is directed to 20-keto-11.beta.-arylsteroids of formula I: ##STR1## wherein R.sup.1, R.sup.6, R.sup.7, R.sup.9, R.sup.12 and X are as defined by the specification. The compounds exhibit progestational and antiprogestational activities.
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Cook C. Edgar
Kepler John A.
Lee Yue-Wei
Tallent C. Ray
Zhang Ping-sheng
Badio Barbara
Dees Jos,e G.
Research Triangle Institute
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