Not Less Than - 95%
Methyl 3-Oxo-4-aza-5a-androst-1-ene-17ß-carboxylate; (4aR,4bS,6aS,7S,9aS,9bS,11aR)-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,
11,11a-Tetradecahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxylic Acid Methyl Ester; Dutasteride Methyl Ester Analog; Dutasteride Ester impurity; Dutasteride methyl ester; Methyl (5α,17β)-3-oxo-4-azaandrost-1-ene-17-carboxylate