105-36-2
溴代乙酸乙酯
+
122-00-9
对甲基苯乙酮
→
14271-34-2
3-(4-methylphenyl)but-2-enoic acid
623-48-3
碘代醋酸乙酯
94853-53-9
2-Butenoic acid, 3-(4-methylphenyl)-, ethyl ester, (2E)-