1-BENZOXEPIN-5(2H)-ONE, 3,4-DIHYDRO-7,8-DIMETHYL-4-(4-METHYL-1-PIPERAZINYL)-, DI 1-Benzoxepin-5(2H)-one, 3,4-dihydro-7,8-dimethyl-4-(4-methyl-1-piperazinyl)-, dihydrochloride 56071-17-1 7,8-Dimethyl-4-(4-methyl-1-piperazinyl)-3,4-dihydro-1-benzoxepin-5(2H)-one dihydrochloride