1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 7,8-bis(4-methoxyphenyl)-1,3-dimethyl- 7,8-Bis(4-methoxyphenyl)-1,3-dimethyl-1H-imidazo(2,1-f)purine-2,4(3H,8H)-dione 96885-26-6 BRN 5665016