| 1-(4-dibenzothienylcarbonyl)-4-methyl-piperazin monohydrochloride |
| 1-(4-dibenzothienylcarbonyl)-4-methylpiperazine hydrochloride |
| 4-(4-methylpiperazinocarbonyl)dibenzothiophene hydrochloride |
| 1-(4-dibenzothienylcarbonyl)-4-methyl-piperazinmonohydrochloride |
