methyl 2-acetyloxy-2-dimethoxyphosphorylacetate

benzyl 4-acetyl-5-methyl-1H-pyrrole-2-carboxylate

N-[4-(2-oxochromen-3-yl)-1,3-thiazol-2-yl]acetamide

(3-oxo-1,4-dihydroisochromen-4-yl) acetate

N-(3,5-diacetylphenyl)acetamide