5751-20-2
2-甲硫基-4-嘧啶酮
+
873-74-5
对氨基苯腈
→
189956-45-4
4-[(4-羟基-2-嘧啶基)氨基]苯腈
1228671-28-0
4-(4-methoxypyrimidin-2-ylamino)benzonitrile