Dutasteride (also known as Avodart, Avolve, GG-745, Duastride, GI 198745, GI-198745, Dutasterida, (5alpha,17beta)-N-(2,5-Bis(trifluoromethyl)phenyl)-3-oxo-4-azaandrost-1-ene-17-carboxamide, 1H-Indeno[5,4-f]quinoline-7-carboxamide, N-[2,5-bis(trifluoromethyl)phenyl]-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, (4aR,4bS,6aS,7S,9aS,9bS,11aR)- or alpha,alpha,alpha,alpha',alpha',alpha'-Hexafluoro-3-oxo-4-aza-5alpha-androst-1-ene-17beta-carboxy-2',5'-xylidide)