(2-oxo-3-pyridin-3-ylchromen-7-yl) acetate

4-cyclohexylidene-2-phenyl-1,3-oxazol-5-one

ethyl 3,5-diacetyloxybenzoate

羟基乙酰氨基芴

3-乙酰基-2-氧杂环庚烷酮