1-oxo-1-phenylpropan-2-yl 2-(4-methylcoumarin-7-yloxy)acetate

ethyl 2-(4-methyl-2-oxochromen-7-yl)oxyacetate

4-甲基伞形酮

2-((4-methyl-2-oxo-2H-chromen-7-yl)oxy)acetamide

溴乙酸