3-Thiazol-2-yl-2,4-bis(thiazol-2-ylimino)thiazolo(3,2-a)-1,3,5-triazin

ethyl N-(phenylcarbamoyl)benzenecarboximidate

5-methyl-3-oxo-N-phenyl-1,2-oxazolidine-2-carboxamide

5,5-dimethyl-3-oxo-N-phenyl-1,2-oxazolidine-2-carboxamide

3-oxo-N,5-diphenyl-1,2-oxazolidine-2-carboxamide