18719-27-2
3-戊炔基溴化
+
3721-95-7
环丁基甲酸
→
89056-37-1
methyl 1-pent-3-ynylcyclobutane-1-carboxylate
89056-30-4
1-pent-3-ynylcyclobutane-1-carboxylic acid