| alpha-2-thienyl-4-(o-tolyl)-1-piperazineethano monohydrochloride |
| 4-(2-methylphenyl)-alpha-2-thienyl-1-piperazineethano hydrochloride |
| alpha-(2-thienyl)-4-(o-tolyl)-1-piperazineethanol hydrochloride |
| alpha-2-thienyl-4-(o-tolyl)-1-piperazineethanomonohydrochloride |
