4-(4-nitrobenzylidene)-2-methyl-1-(1,3-diphenyl-1H-pyrazol-5-yl)-1H-imidazol-5(4H)-one

2-acetamido-3-(1,3-benzodioxol-5-yl)prop-2-enoic acid

3-(3-methoxyphenyl)-2-oxopropanoic acid

(4Z)-2-methyl-4-[(E)-3-phenylprop-2-enylidene]-1,3-oxazol-5-one

N-(2-oxothiopyrano[2,3-b]pyridin-3-yl)acetamide