1164-74-5 4'-Fluoro-4-(9-methyl-3,9-diazaspiro(5.5)undec-3-yl)butyrophenone dihydrochloride BUTYROPHENONE, 4'-FLUORO-4-(9-METHYL-3,9-DIAZASPIRO(5.5)UNDEC-3-YL)-, DIHYDROCHL Butyrophenone, 4'-fluoro-4-(9-methyl-3,9-diazaspiro(5.5)undec-3-yl)-, dihydrochloride