4-(2-氯-3-吡啶)-n-甲基-2-嘧啶胺

4-(4-氟苯基)-2-(甲基氨基)-6-异丙基嘧啶-5-羧酸甲酯

2-amino-3-methyl-4,5-dihydropyrimidin-6-one

1-(3-Ethoxypropionyl)-3-methyl-guanidin

2-氨基-1,7-二氢-1-甲基-4H-吡咯并[2,3-d]嘧啶-4-酮