34671-83-5
2 2'-联嘧啶
→
~85%
400859-08-7
+
400859-09-8
5-bromo-2-(5-bromopyrimidin-2-yl)pyrimidine
183438-24-6
5-溴-2-碘嘧啶
~38%
679844-18-9
5-ethynyl-2-(5-ethynylpyrimidin-2-yl)pyrimidine