3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid
3-oxo-4-aza-5α-androstane-17β-carboxylic acid methyl ester
(5α,17β)-3-oxo-4-azaandrostane-17-(phenyloxycarbonyl)carboxylic acid
dutasteride
(2α,5α,17β)-N-[2,5-bis(trifluoromethyl)phenyl]-2-iodo-3-oxo-4-aza-5-androstane-17-carboxamide