(3,4-dimethyl-2-oxochromen-7-yl) acetate

(4-methyl-2-oxo-3-propylchromen-7-yl) acetate

2-acetylsulfanylpropanoic acid

(4-acetyl-5-methyl-2-phenylpyrazol-3-yl) acetate

1-phenyl-3-methyl-4-acetyl-pyrazol-5-one