咖啡因

二(2,6-二氧代-1,2,3,6-四氢-1,3,7-三甲基-7H-嘌呤-8-基)汞(II)

1,3,7-trimethylpteridine-2,4(1h,3h)-dione

Mercury,chloro(2,3,6,7-tetrahydro-1,3,7-trimethyl-2,6-dioxo-1H-purin-8-yl)-

硫酸二甲酯