88663-66-5Relevant articles and documents
LONG-ACTING CONTRACEPTIVE AGENTS: ESTERS OF NORETHISTERONE WITH ALKOXY- AND HALOGENO-SUBSTITUTED CARBOXYLIC ACIDS
Shafiee, A.,Vossoghi, M.,Francisco, C. G.,Freire, R.,Hernandez, R.,et al.
, p. 285 - 290 (1983)
The chemical synthesis and physical data of several new esters of norethisterone (17α-ethynyl-17β-hydroxyestr-4-en-3-one) are reported, which contain either a chloro- or an alkoxy-group as a substituent in the acid side-chain.