| 2-(4-benzhydryl-1-piperazinyl)-9-methyl-9h-purin dihydrochloride |
| (benzhydryl-4 piperazinyl-1)-2 methyl-9 purine dichlorhydrate |
| 9-methyl-2-(4-diphenylmethyl-1-piperazinyl)-9h-purine dihydrochloride |
| 2-(4-benzhydryl-1-piperazinyl)-9-methyl-9h-purindihydrochloride |
