5-[[4-[(4-Sulfophenyl)-ONN-azoxy]phenyl]-ONN-azoxy]-2-[2-[2-sulfo-4-[[4-[(4-sulfophenyl)-ONN-azoxy]phenyl]-ONN-azoxy]phenyl]ethenyl]benzenesulfonic acid tetrasodium salt
CAS No. 72854-05-8
5-[[4-[(4-Sulfophenyl)-ONN-azoxy]phenyl]-ONN-azoxy]-2-[2-[2-sulfo-4-[[4-[(4-sulfophenyl)-ONN-azoxy]phenyl]-ONN-azoxy]phenyl]ethenyl]benzenesulfonic acid tetrasodium salt