108-31-6
马来酸酐
+
74-86-2
乙炔
→
~76%
10374-07-9
3-oxabicyclo[3.2.0]hept-6-ene-2,4-dione
22980-23-0
2-Oxabicyclo[2.2.0]hex-5-en-3-one
504-31-4
2H-吡喃-2-酮
1120-53-2
1,3-环状丁二烯
39763-18-3
2,4-Pentadienal, 5-oxo-
689-97-4
乙烯基乙炔