1.
Steroids
; 41(3): 267-75, 1983 Mar.
Artigo
em Inglês
| MEDLINE
| ID: mdl-6658874
RESUMO
The synthesis of nine new esters of norethisterone (17 alpha-ethynyl-17 beta-hydroxyestr-4-en-3-one) is described, with the esterifying acids bearing an acetylenic or olefinic function in a chain of eight or nine carbon atoms, for evaluation as long-acting contraceptive agents.