1-Piperazineethanol, alpha-methyl-4-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-, (Z)-2-butenedioate (1:1) 2-(4-(2-Hydroxypropyl)piperazino)-6,7,8,9-tetrahydro-5H-benzocycloheptene maleate 51490-33-6 alpha-Methyl-4-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-1-piperazineethanol maleate