858675-23-7
→
~83%
31437-20-4
1-(嘧啶-2-基)硫代脲
31437-19-1
~57%
109-12-6
2-氨基嘧啶
+
1147550-11-5
13249-01-9
1-phenyl-3-pyrimidin-2-ylthiourea