88550-28-1
4-acetyloxybut-2-ynoic acid
+
542-92-7
环戊二烯
→
~30%
88550-20-3
2-(acetyloxymethyl)bicyclo[2.2.1]hepta-2,5-diene-3-carboxylic acid
88550-22-5
2-(acetyloxymethyl)bicyclo[2.2.1]hept-2-ene-3-carboxylic acid