84963-16-6 EINECS 284-816-4 Sodium 2-((2-amino-6-((4-((4-((3-carboxy-4-hydroxyphenyl)azo)-7-sulpho-1-naphthyl)azo)-2,5-dimethoxyphenyl)azo)-5-hydroxy-7-sulpho-1-naphthyl)azo)-5-nitrobenzoate