5783-75-5
ethyl 2,3-dimethylcycloprop-2-ene-1-carboxylate
→
~75%
36285-16-2
2,3-dimethylcycloprop-2-ene-1-carboxylic acid
623-73-4
重氮乙酸乙酯
+
503-17-3
2-丁炔
~6%