1-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethanone

3,5-二甲基-4-亚硝基-1-苯基-吡唑

1,3,5-Trimethyl-4-nitroso-1H-pyrazole

1-(5-methyl-2-propyl-1H-imidazol-4-yl)ethanone

1-(5-acetyl-3,6-dimethylpyrazin-2-yl)ethanone