1-((2-Chlorophenyl)(3-chlorophenyl)methyl)-4-methylpiperazine dihydrochloride 1-(2,3'-Dichlorobenzhydryl)-4-methylpiperazine dihydrochloride 126517-37-1 Piperazine, 1-((2-chlorophenyl)(3-chlorophenyl)methyl)-4-methyl-, dihydrochloride