1,3-Dioxa-9-azaspiro(5.5)undecane, 9-(3-(p-fluorobenzoyl)propyl)-, hydrochloride 1-Butanone, 4-(1,3-dioxa-9-azaspiro(5.5)undec-9-yl)-1-(4-fluorophenyl)-, Hydrochloride (9CI) 63377-07-1 BUTYROPHENONE, 4-(1,3-DIOXA-9-AZASPIRO(5.5)UNDEC-9-YL)-4'-FLUORO-, HYDROCHLORIDE