8-甲基-2-(甲基磺酰基)-6-苯基吡啶并[2,3-d]嘧啶-7(8H)-酮

8-乙基-2-(甲基磺酰基)-6-苯基吡啶并[2,3-d]嘧啶-7(8H)-酮

(5-ethyl-2,6-dimethoxypyrimidin-4-yl)-phenylmethanone

6-甲基-5-苯基-2,4-嘧啶二胺

6-benzyl-1,3,5-triazine-2,4-diamine