1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 1,3-dimethyl-7,8-bis(4-methylphenyl)- 1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 7,8-bis(4-methylphenyl)-1,3-dimethyl- 7,8-Bis(4-methylphenyl)-1,3-dimethyl-1H-imidazo(2,1-f)purine-2,4(3H,8H)-dione 96885-23-3 BRN 5653063