Synonyms: 2-Naphthalenol,5,6,7,8-tetrahydro-6-phenyl-5-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]-,hydrochloride, (5R,6S)- (9CI); 2-Naphthalenol,5,6,7,8-tetrahydro-6-phenyl-5-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]-,hydrochloride, (5R-cis)-; Lasofoxifene hydrochloride