乙酰水杨酸甲酯

ethyl (2-oxochromen-4-yl) carbonate

Benzenepropanoic acid, α-acetyl-2-methoxy-β-oxo-, ethyl ester

3-amino-4,4,4-trichloro-1-(2-hydroxyphenyl)but-2-en-1-one

(2-羟基苯基)(异噁唑-4-基)甲酮