15037-54-4 5-(3-(4-Phenylpiperidino)propylidene)-10,11-dihydrodibenzo(a,d)cycloheptene HCl hemihydrate Piperidine, 1-(3-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-ylidene)propyl)-4-phenyl-, hydrochloride, hydrate (2:2:1)