22344-59-8 BENZOIC ACID, p-(4-PIPERIDINO-2-BUTENYL)-, (2-(DIETHYLAMINO)ETHYL) ESTER, DIHYDR Benzoic acid, p-(4-piperidino-2-butenyl)-, (2-(diethylamino)ethyl) ester, dihydrochloride p-(4-Piperidino-2-butenyl)benzoic acid (2-(diethylamino)ethyl) ester dihydrochloride