50892-49-4
ethyl 2-((4,6-dihydroxypyrimidin-2-yl)thio)acetate
→
~83%
50892-12-1
ethyl 2-(4,6-dichloropyrimidin-2-yl)sulfanylacetate
504-17-6
4,6-二羟基-2-巯基嘧啶
+
105-36-2
溴代乙酸乙酯