N-[4-(4-benzamidophenyl)phenyl]benzamide

4-(4-hydroxy-3,5-dinitrophenyl)-2,6-dinitrophenol

N-[4-(4-formamidophenyl)phenyl]formamide

4',4'''-Bi[benzenesulfonanilide]

N-(4'-amino-biphenyl-4-yl)-benzenesulfonamide