1-(4-Cyclopentylphenyl)-4-(phenylmethyl)piperazine dihydrochloride 1-Benzyl-4-(4-cyclopentylphenyl)piperazine dihydrochloride 113682-13-6 Piperazine, 1-(4-cyclopentylphenyl)-4-(phenylmethyl)-, dihydrochloride