Esters of 17 .alpha.-ethynyl 19-nor-testosterone and 17 .alpha.-

Details Esters of 17 .alpha.-ethynyl 19-nor-testosterone and 17 .alpha.- Esters of 17 .alpha.-ethynyl 19-nor-testosterone and 17 .alpha.-

1981-04-07

1985-03-26

Roberts, Elbert L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

2603974, 2603975, 514179, A61K 3156

Patent

active

045072906

ABSTRACT:
Esters of 17 .alpha.-ethynyl 19-nor-testosterone and 17 .alpha.-ethynyl-18-homo-19-nor-testosterone and the 3-oximes thereof having long-active contraceptive activity.

REFERENCES:
patent: 3959322 (1976-05-01), Hughes et al.
patent: 4027019 (1977-05-01), Shroff
patent: 4089952 (1978-05-01), Itil et al.
patent: 4119626 (1978-10-01), Schulze et al.
patent: 4181721 (1980-01-01), Speck et al.

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