766-40-5
3,4-二氯-5-羟基-5H-呋喃-2-酮
+
79-22-1
氯甲酸甲酯
→
~83%
67551-18-2
(3,4-dichloro-5-oxo-2H-furan-2-yl) methyl carbonate
57697-64-0
2,3-dichloro-4-oxobut-2-enoic acid
~69%