methyl 4-hydroxy-4-(4-methoxyphenyl)but-2-ynoate

2-羟基-1-(4-甲氧基苯基)-1-乙酮

3-Methylsulfinyl-4-p-methoxyphenyl-4-oxo-butansaeure-methylester

4-(4-methoxyphenyl)-4-oxo-2(E)-butenoic acid