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(2015/11/02)diphenyl-acetic acid-[2-(4-methyl-piperazino)-ethyl ester]; dihydrochloride
1-phenyl-cyclohexanecarboxylic acid-[2-(4-methyl-piperazino)-ethyl ester]
cyclohexyl-phenyl-acetic acid-[2-(4-methyl-piperazino)-ethyl ester]; dihydrochloride
3,3-diphenyl-propionic acid-[2-(4-methyl-piperazino)-ethyl ester]
dicyclohexyl-acetic acid-[2-(4-methyl-piperazino)-ethyl ester]