2-hydroxy-4-oxo-4-(3,4,5-trimethoxyphenyl)butanoic acid

3',4',5'-三甲氧基苯乙酮

乙醛酸

4,4-diethoxy-3',4',5'-trimethoxybut-2-ynophenone

3,4,5-三甲氧基苯甲醛