43084-06-6
β-isopropenyl-β-propiolactone
+
75-16-1
甲基溴化镁
→
~77%
55665-79-7
(E)-4-methylhex-3-enoic acid
497-03-0
反式-2-甲基-2-丁烯醛
26526-09-0
4-Methyl-Hexa-2,4-Dienoic Acid