1-(Methylsulfonyl)-4-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)piperazine 2-(4-Methanesulfonylpiperazino)-6,7,8,9-tetrahydro-5H-benzocycloheptene 5-23-03-00152 (Beilstein Handbook Reference) 51490-37-0 BRN 0813762 Piperazine, 1-(methylsulfonyl)-4-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-