Synonyms: 4-Azaandrostane-17-carboxamide,N-(1,1-dimethylethyl)-3-oxo-, (5a,17b)-;1,2-Dihydrofinasteride;1H-Indeno[5,4-f]quinoline-7-carboxamide,N-(1,1-dimethylethyl)hexadecahydro-4a,6a-dimethyl-2-oxo-, [4aR-(4aa,4bb,6aa,7a,9ab,9ba,11ab)]-;3-Oxo-4-aza-5a-androstan-17b-carboxylic acid N-(tert-butyl)amide;Dihydrofinasteride;N-(tert-Butyl)-3-oxo-4-aza-5a-androstane-17b-carboxamide;