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-nitrobenzoic acid 84963-15-5 EINECS 284-815-9