74203-70-6 BUTYROPHENONE, 4-(2-(p-CHLOROPHENYL)-5-ETHYL-1,3-DIOXA-9-AZASPIRO(5.5)UNDEC-9-YL Butyrophenone, 4-(2-(p-chlorophenyl)-5-ethyl-1,3-dioxa-9-azaspiro(5.5)undec-9-yl)-4'-fluoro-, hydrochloride, hydrate