623-73-4
重氮乙酸乙酯
+
40673-25-4
4-氯-2-羟基吡啶
→
90346-60-4
ethyl 2-(4-chloropyridin-2-yl)oxyacetate
89692-15-9
2-(4-chloropyridin-2-yl)oxyacetic acid