2-氨基-4-羟基-6-甲基嘧啶

1,3-dimethyl-6-(phenylsulfanylmethyl)pyrimidine-2,4-dione

1,3,6-三甲基-2,4-二氧代-1,2,3,4-四氢嘧啶-5-甲醛

1,3-dimethyl-6-propylpyrimidine-2,4-dione

1,3,6-三甲基-5-溴尿嘧啶