sodium 2,5-dichloro-4-[[5-cyano-2,6-bis[(2-hydroxyethyl)amino]-4-methyl-3-pyridyl]azo]benzenesulphonate

Benzenesulfonic acid,2,5-dichloro-4-[[5-cyano-2,6-bis[(2-hydroxyethyl)amino]-4-methyl-3-pyridinyl]azo]-,monosodium salt

Benzenesulfonic acid, 2,5-dichloro-4-[[5-cyano-2,6-bis[(2-hydroxyethyl)amino]-4-methyl-3-pyridinyl]azo]-, monosodium salt