Synonyms:
4-hydroxy-5-((2-hydroxynaphthyl)azo)-3-((2-hydroxy-3-nitro-5-sulphophenyl)azo)naphthalene-2,7-disulphonic acid ; (3z)-3-[(2-hydroxy-3-nitro-5-sulfo-phenyl)hydrazinylidene]-4-oxo-5-[(2e)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid ; einecs 262-888-8 ; 4-hydroxy-5-[(2-hydroxynaphthyl)azo]-3-[(2-hydroxy-3-nitro-5-sulphophenyl)azo]naphthalene-2,7-disulphonic acid ; 4-hydroxy-5-[(2-hydroxy-1-naphthalenyl)azo]-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid