Di-steroidal prodrugs of ethinyl estradiol

Details Di-steroidal prodrugs of ethinyl estradiol Di-steroidal prodrugs of ethinyl estradiol

2006-06-27

2006-06-27

Qazi, Sabiha (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

C514S169000, C514S170000, C552S201000, C552S203000, C552S205000, C552S502000, C552S540000, C552S541000

Reexamination Certificate

active

07067504

ABSTRACT:
The present invention is a di-steroidal prodrug of ethinyl estradiol according to formula I:

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