1476-11-5
顺-1,4-二氯-2-丁烯
+
105-45-3
乙酰乙酸甲酯
→
64670-12-8
61259-93-6
methyl 8-chloro-3-oxooct-6-enoate
64670-13-9
methyl 7-oxocyclohept-3-ene-1-carboxylate