1-methyl-1-benzyl-5-phenyl-7-oxo-6-oxa-4-azaspiro(2.4)hept-4-ene

2-benzyl-5H-[1,2,4]triazino[3,2-b]quinazoline-3,10-dione

(4E)-2-phenyl-4-(1-phenylethylidene)-1,3-oxazol-5-one

3-amino-5-phenyloxolan-2-one,hydrochloride

N-[3-(2-hydroxyethylamino)-3-oxo-1-phenylprop-1-en-2-yl]benzamide