67443-38-3
5-溴-2-氯-3-硝基吡啶
+
623-50-7
乙醇酸乙酯
→
~82%
105544-30-7
2-(5-溴-3-硝基-2-吡啶氧基)乙酸乙酯
38233-96-4
ethyl 2-hydroxyacetate sodium salt
~62%