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