3,5-二甲基-1H-吡咯-2-甲酸乙酯

Ethyl [7-(dimethylamino)-2-oxo-2H-chromen-4-yl]acetate

Ethyl (5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)acetate

diethyl 2-hydroxy-5,6,7,8-tetrahydronaphthalene-1,3-dicarboxylate

7-二甲氨基香豆素-4-乙酸