Cyproterone Acetate

Chemical Name: 6-Chloro-3,20-dioxo-1β,2β-dihydro-3′H-cyclopropa-[1,2]pregna-1,4,6-trien-17-yl acetate 

Synonym: 5α-Cholesta-7,24-dien-3β-ol  ; (3S,5S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylhept-5-en-2-yl)-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol