73347-81-6 Chromate(1-), (5-hydroxy-4-((1-hydroxy-2-naphthalenyl)azo)-2-methylbenzenesulfonamidato(2-))(methyl (8-((5-(aminosulfonyl)-2-hydroxyphenyl)azo)-7-hydroxy-1-naphthalenyl)carbamato(2-))-, sodium EINECS 277-395-3 Sodium (4-hydroxy-5-((1-hydroxy-2-naphthyl)azo)toluene-2-sulphonamidato(2-))(methyl (7-hydroxy-8-((2-hydroxy-5-sulphamoylphenyl)azo)-1-naphthyl)carbamato(2-))chromate(1-)