2'-((2-Hydroxy-3-(4-hydroxy-4-phenylpiperidino))propoxy)acetophenone hydrochloride 63990-73-8 ACETOPHENONE, 2'-((2-HYDROXY-3-(4-HYDROXY-4-PHENYLPIPERIDINO))PROPOXY)-, HYDROCH Acetophenone, 2'-((2-hydroxy-3-(4-hydroxy-4-phenylpiperidino))propoxy)-, hydrochloride