N-(4-methoxy-2-nitrophenyl)benzenesulfonamide

N-(2-hydroxyphenyl)benzenesulfonamide

N-(2-phenylsulfonyloxyphenyl)benzenesulfonamide

N,N'-(6-Chloro-s-triazin-2,4-ylene)diglycine

N-(4-aminophenyl)benzenesulfonamide