2,7-BIS(5-CHLORO-2-HYDROXY-3-SULFOPHENYLAZO)CHROMOTROPIC ACID TETRASODIUM SALT

2,7-bis(2-hydroxy-3-sulfo-5-chlorophenylazo)-1,8-di-hydroxynaphthalene-3,6-disulfonic acid

3,6-Bis[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid sodium salt

1,8-DIHYDROXY-2,7-BIS(5-CHLORO-2-HYDROXY-3-SULFOPHENYLAZO)-3,6-NAPHTHALENEDISULFONIC ACID TETRASODIUM SALT