110-87-2
3,4-二氢-2H-吡喃
+
623-73-4
重氮乙酸乙酯
→
~88%
72229-08-4
ethyl 5-oxabicyclo[4.1.0]heptane-7-carboxylate
~82%
623-91-6
富马酸二乙酯