N(4)-乙酰磺胺异恶唑

3,4-Dimethyl-1H-pyrazol-5-ol

1-amino-4,5-dimethyl-1,3-dihydro-imidazol-2-one

3,4-dimethyl-5-thiophen-2-yl-1,2-oxazole

3,4-dimethyl-5-(4-methylpyridin-2-yl)-1,2-oxazole