9-(2,6-difluorobenzyl)-6-(N,N-dimethylamino)-2-(N-methylamino)-9H-purine 、 2-amino-9-(2,6-difluorobenzyl)-6-(N,N-dimethylamino)-9H-purine 、 2-(N-ethylamino)-9-(2,6-difluorobenzyl)-6(N,N-dimethylamino)-9H-purine 、 9-(2,6-difluorobenzyl)-2-(N-methylamino)-9H-purine 、 9-(2,6-difluorobenzyl)-2-(N,N-dimethylamino)-9H-purine 、 2,6-bis(N,N-dimethylamino)-9-(2,6-difluorobenzyl)-9H-purine 、 2-amino-9-(2,6-difluorobenzyl)-6-(N-methylamino)-9H-purine 、 2,6-bis(N-methylamino)-9-(2,6-difluorobenzyl)-9H-purine 、 2,6-diamino-9-(2,6-difluorobenzyl)-9H-purine 、 6-amino-9-(2,6-difluorobenzyl)-2-(N-methylamino)-9H-purine 、 6-amino-9-(2,6-difluorobenzyl)-2-(N,N-dimethylamino)-9H-purine 、 2-(N-ethylamino)-6-amino-9-(2,6-difluorobenzyl)-9H-purine 、 2-chloro-9-(2,6-difluorobenzyl)-9H-purine 生成
2-chloro-9-(2,6-difluorobenzyl)-N,N-dimethyl-9H-purin-6-amine