N-(3-bromo-2-oxo-2H-chromen-4-yl)acetimidamide

chloro-3 methylcarbonimidoylamino-4 coumarine

4-甲氧基香豆素

2-cyanomethyl-3,4-dihydro-4-oxobenzofuro<3,2-d>pyrimidine

2-pyridin-4-yloxybenzaldehyde