4,4'-diazenediyl-bis-benzenesulfonyl chloride
N,N'-bis-(5-methyl-isoxazol-3-yl)-4,4'-diazenediyl-bis-benzenesulfonamide
N,N'-bis-(5-methyl-isoxazol-3-yl)-N,N'-(4,4'-diazenediyl-bis-benzenesulfonyl)-bis-acetamide
N-(5-methyl-isoxazol-3-yl)-N-(4-nitro-benzenesulfonyl)-acetamide