3-((4-p-Fluorophenyl-4-hydroxy)butyl)-3-azaspiro(5.5)undecane hydrochloride 4-(3-Azaspiro(5.5)undec-3-yl)-4'-fluoro-butyrophenone hydrochloride 64-60-8 BUTYROPHENONE, 4-(3-AZASPIRO(5.5)UNDEC-3-YL)-4'-FLUORO-, HYDROCHLORIDE NSC 90825