4-硝基苯磺酸

N-benzyl-4-nitrobenzenesulfonamide

N-benzyl-N'-(2-hydroxyphenyl)oxamide

3-[(Z)-2-oxo-2-phenylethylidene]-1,2,3,4-tetrahydroquinoxalin-2-one

3-(benzylamino)cyclopent-2-en-1-one