2-氨基-4-羟基-6-甲基嘧啶

2-氨基-4-哌啶基-6-甲基嘧啶

4-Fluoro-6-methyl-2-pyrimidinamine

5-iodo-6-methylpyrimidine-2,4-diamine

2-氨基-4-苯氧基-6-甲基嘧啶