(Dibenzo(a,d)cycloheptadienyl-5)-4 dimethyl-1,1 piperazinium methyl sulfate 1-(10,11-Dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)-4,4-dimethylpiperazinium methyl sulfate 3774-39-8 Piperazinium, 1-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)-4,4-dimethyl-, mehyl sulfate