766-40-5
3,4-二氯-5-羟基-5H-呋喃-2-酮
+
24424-99-5
二碳酸二叔丁酯
→
~35%
647831-97-8
[1-(3,4-dichloro-5-oxo-2H-furan-2-yl)-2-methylpropan-2-yl] carbonate
57697-64-0
2,3-dichloro-4-oxobut-2-enoic acid
~34%