| 1-(4-cyclopentylphenyl)-2-(4-methyl-1-piperazinyl)-ethanon (z)-2-butenedioa |
| 1-(4-cyclopentylphenyl)-2-(4-methyl-1-piperazinyl)ethanone (z)-2-butenedioate |
| 4-cyclopentylphenyl 4'-methylpiperazinomethyl ketone bis(hydrogen maleate) |
| 1-(4-cyclopentylphenyl)-2-(4-methyl-1-piperazinyl)-ethanon(z)-2-butenedioate (1:2) |
