1-(2,3'-Dichlorobenzhydryl)-4-(2-hydroxyethyl)piperazine dihydrochloride 1-Piperazineethanol, 4-((2-chlorophenyl)(3-chlorophenyl)methyl)-, dihydrochloride 126517-38-2 4-((2-Chlorophenyl)(3-chlorophenyl)methyl)-1-piperazineethanol dihydrochloride