| 1-((2-chlorophenyl)(3-chlorophenyl)methyl)-4-methyl-piperazin (z)-2-butened |
| 1-((2-chlorophenyl)(3-chlorophenyl)methyl)-4-methylpiperazine (z)-2-butenedio |
| 1-(2,3'-dichlorobenzhydryl)-4-methylpiperazine bis(hydrogen maleate) |
| 1-((2-chlorophenyl)(3-chlorophenyl)methyl)-4-methyl-piperazin(z)-2-butenedioate (1:2) |
