Sulfonazo III tetrasodium salt

sulfonazo iii salt ; 2,7-bis(2-sulphophenylazo)chromotropic acid tetrasodium salt ; sulfonazo iii ; 3,6-bis[o-sulfophenylazo]-4,5-di-hydroxy-2,7-naphthalenedisulfonic acid sodium salt ; 2,7-bis(2-sulfophenylazo)chromotropic acid tetrasodium salt ; sulfonazo iii sodium salt ; sulphonazoiiitetrasodiumsalt ; 3,6-bis(2-sulfophenylazo)chromotropic acid ; 2,7-bis(o-sulfophenylazo) chromotropic acid ; tetrasodium 4,5-dihydroxy-3,6-bis((2-sulphonatophenyl)azo)naphthalene-2,7-disulphonate ; sulfonazo iii tetrasodium salt