| 1-(diphenylmethyl)-4-(3-phenyl-2-propenyl)-piperazin dihydrochloride |
| 1-(diphenylmethyl)-4-(3-phenyl-2-propenyl)piperazine dihydrochloride |
| cinnarizine dihydrochloride |
| 1-cinnamyl-4-(diphenylmethyl)-piperazin dihydrochloride |
| 1-(diphenylmethyl)-4-(3-phenyl-2-propenyl)-piperazindihydrochloride |
