5-acetyl-6-methyl-2-sulfanylidene-1H-pyridine-3-carbonitrile

5-acetyl-3-amino-6-methyl-1H-pyridin-2-one

3-(氨基甲基烯)-2,4-戊烷二酮

1-(4-methyl-2-phenylpyrimidin-5-yl)ethanone

N-(5-acetyl-6-methyl-2-oxopyran-3-yl)benzamide