2,4-Bis-methanesulfonyl-5,6-dimethyl-pyrimidine

2-ethylmercapto-5,6-dimethyl-3H-pyrimidin-4-one

3-(6-methyl-2,4-dioxo-1H-pyrimidin-5-yl)propanoate

2,4-二羟基-6-甲基嘧啶

正氰酸