1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 8-cyclohexyl-1,3-dimethyl-7-(4-ethylphenyl)- 8-Cyclohexyl-1,3-dimethyl-7-(4-ethylphenyl)-1H-imidazo(2,1-f)purine-2,4(3H,8H)-dione 96902-19-1 BRN 5663437