Synonyms: Chromate(5-), bis(5-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-4-(hydroxy-kappaO)-3-(2-(2-(hydroxy-kappaO)-5-nitrophenyl)diazenyl-kappaN1)-2,7-naphthalenedisulfonato(4-))-, sodium hydrogen (1:4:1);Chromate(5-), bis(5-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)-2,7-naphthalenedisulfonato(4-))-, tetrasodium hydrogen;Tetrasodium hydrogen bis(5-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)naphthalene-2,7-disulphonato(4-))chromate(5-);chromium(3+) sodium hydrogen 5-[(4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino]-3-[(E)-(5-nitro-2-oxidophenyl)diazenyl]-4-oxidonaphthalene-2,7-disulfonate (1:4:1:2)