2,2-二乙氧基丙烷

(E)-2-oxo-4-phenyl-3-butenoic acid

2-oxo-4-phenylbut-3-enoic acid 2-isopropyl-5-methylcyclohexyl ester

2-氧代-4-苯基丁酸甲酯

ethyl 4-hydroxy-2-oxo-4-phenylbut-3-enoate