3-[[4-[[4-[(6-amino-1-hydroxy-3-sulpho-2-naphthyl)azo]-6(or 7)-sulpho-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonic acid
CAS No. 93982-74-2
3-((4-((4-((6-Amino-1-hydroxy-3-sulpho-2-naphthyl)azo)-6(or 7)-sulpho-1-naphthyl)azo)-1-naphthyl)azo)naphthalene-1,5-disulphonic acid