Synonyms: Androsta-3,5-dien-17b-ol,3-(cyclopentyloxy)-17-methyl- (6CI,7CI,8CI);17alpha-Methyltestosterone 3-cyclopentyl enol ether;3-(Cyclopentyloxy)-17-methyl-androsta-3,5-dien-17b-ol;Pandrocine;Penmestrol [INN:DCF];RP 12222;Penmesterolo;Androsta-3,5-dien-17-ol,3-(cyclopentyloxy)-17-methyl-, (17b)- (9CI);