126-99-8
2-氯-1.3-丁二烯
+
140-88-5
丙烯酸乙酯
→
253276-02-7
ethyl 4-chlorocyclohex-3-ene-1-carboxylate
17159-79-4
对环己酮甲酸乙酯
444578-35-2