Gestodene Ketal ;
13-Ethylspiro(18,19-dinor-17α-pregna-5,15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol and-13-ethylspiro(18,19-dinor-17α-pregna-5(10),15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol ;
CAS # 104933-99-5 ;
C23H30O3 ;
Mol. Wt.: 354.48 ;
Supplied as a mixture of 5(6)-en and 5(10)-en isomers.