4-[1-(dimethylamino)ethylidene]-2-methyl-1,3-oxazol-5-one

(4Z)-4-(2,4-二氟苄亚基)-2-甲基-1,3-恶唑-5(4H)-酮

2-methyl-4-(thiophen-2-ylmethylidene)-1,3-oxazol-5-one

4-[(3-hydroxyphenyl)methylidene]-2-methyl-1,3-oxazol-5-one

4-[(4-aminophenyl)methylidene]-2-methyl-1,3-oxazol-5-one