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

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

4-甲基伞形酮

7-(羧基甲氧基)-4-甲基香豆素

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