(2-amino-5-sulfamoylphenyl) thiocyanate

4-(3-carbamimidoylguanidino)benzenesulfonamide

N'-(4-aminophenyl)sulfonylbenzenecarboximidamide

benzyl N-(4-sulfamoylphenyl)carbamate

4,4',4''-((1,3,5-triazine-2,4,6-triyl)tris(azanediyl))tribenzenesulfonamide