Synonyms: Cobaltate(1-), (3-(2-(1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazol-4-yl)diazenyl-kappaN1)-4-(hydroxy-kappaO)-N-methylbenzenesulfonamidato(2-))(N-(7-(hydroxy-kappaO)-8-(2-(2-(hydroxy-kappaO)-5-((methylamino)sulfonyl)phenyl)diazenyl-kappaN1)-1-naphthalenyl)acetamidato(2-))-, sodium (1:1);Cobaltate(1-), (3-((1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazol-4-yl)azo-kappaN1)-4-(hydroxy-kappaO)-N-methylbenzenesulfonamidato(2-))(N-(7-(hydroxy-kappaO)-8-((2-(hydroxy-kappaO)-5-((methylamino)sulfonyl)phenyl)azo-kappaN1)-1-naphthalenyl)acetamidato(2-))-, sodium;Cobaltate(1-), (3-((1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-4-hydroxy-N-methylbenzenesulfonamidato(2-))(N-(7-hydroxy-8-((2-hydroxy-5-((methylamino)sulfonyl)phenyl)azo)-1-naphthalenyl)acetamidato(2-))-, sodium;cobalt(3+) sodium 8-(acetylamino)-1-{(E)-[5-(methylsulfamoyl)-2-oxidophenyl]diazenyl}naphthalen-2-olate 1-(4-chlorophenyl)-3-methyl-4-{(E)-[5-(methylsulfamoyl)-2-oxidophenyl]diazenyl}-1H-pyrazol-5-olate (1:1:1:1)