Chemical Name: Sodium 3-hydroxy-4-((2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate
Synonym: 3-hydroxy-4-((2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonic acid, Trisodium Salt
Smile: O=S(C1=C(O)C(/N=N/C2=C3C=CC=CC3=C(S(=O)([O-])=O)C=C2O)=C4C=CC(S(=O)([O-])=O)=CC4=C1)([O-])=O.[Na+].[Na+].[Na+]