英文别名Finasteride Impurity 16; 3-oxo-4-aza-5α-androst-1-ene-17-β-carboxamide; 3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide; 3-oxo-4-aza-5α-androst-1-ene-17β-carboximide; Dutasteride Impurity 21; (1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxamide; (5α,17β)-3-Oxo-4-azaandrost-1-ene-17-carboxamide; Dutasteride Related Impurity 1 
