6-溴-吡啶并[2,3-d]嘧啶-2-胺

5-氨基噻唑并[4,5-d]嘧啶-2(3H)-酮

3-氨基-5-乙氧基-1,2,4-噻重氮

5-[(2-methoxy-4-methylquinolin-7-yl)methyl]pyrimidine-2,4-diamine

4-(diethoxymethyl)-6-methylpyrimidin-2-amine