93964-42-2 EINECS 300-889-8 Sodium 2-((2-amino-6-((4'-((3-carboxy-4-hydroxyphenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-7-sulpho-1-naphthyl)azo)-5-nitrobenzoate