1,3-Dihydro-3-ethyl-3-phenyl-1-(2-(piperidino)ethyl)-2H-indol-2-one hydrochloride 2H-INDOL-2-ONE, 1,3-DIHYDRO-3-ETHYL-3-PHENYL-1-(2-(PIPERIDINO)ETHYL)-, MONOHYDRO 2H-Indol-2-one, 1,3-dihydro-3-ethyl-3-phenyl-1-(2-(piperidino)ethyl)-, monohydrochloride 37126-53-7