8-甲基-1H-嘌呤-2,6(3h,7h)-二酮

硫酸二甲酯

N-(6-amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-N-methyl-acetamide

3,7,8-trimethyl-6-methylsulfanyl-3,7-dihydro-purin-2-one

magnesium,carbanide,iodide