Synonyms: Chromate(5-), bis(3-(2-(5-chloro-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-4-(hydroxy-kappaO)-5-((2,5,6-trichloro-4-pyrimidinyl)amino)-2,7-naphthalenedisulfonato(4-))-, sodium (1:5);Chromate(5-), bis(3-((5-chloro-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-4-(hydroxy-kappaO)-5-((2,5,6-trichloro-4-pyrimidinyl)amino)-2,7-naphthalenedisulfonato(4-))-, pentasodium;Pentasodium bis(3-((5-chloro-2-hydroxyphenyl)azo)-4-hydroxy-5-((2,5,6-trichloro-4-pyrimidinyl)amino)naphthalene-2,7-disulphonato(4-))chromate(5-);chromium(3+) sodium 3-[(E)-(5-chloro-2-oxidophenyl)diazenyl]-4-oxido-5-[(2,5,6-trichloropyrimidin-4-yl)amino]naphthalene-2,7-disulfonate (1:5:2)