42882-42-8 ETHANONE, 2-(4-METHYL-1-PIPERAZINYL)-1-(6,7,8,9-TETRAHYDRO-5H-BENZOCYCLOHEPTEN-2 Ethanone, 2-(4-methyl-1-piperazinyl)-1-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-, hydrochloride, hydrate (2:4:1)