diethyl 4-(3,5-dimethyl-1,2-oxazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

5-乙基-3-甲基-1,2-恶唑-4-羧酸

N,N,3,5-四甲基-1,2-恶唑-4-甲酰胺

3,5-二甲基异噁唑-4-羧酸甲酯

(5-ethyl-3-methyl-1,2-oxazol-4-yl)methanol