| Synonyms |
Disodium 5-((2,4-dihydroxy-3-((2-hydroxy-5-nitrophenyl)azo)phenyl)azo)-4-hydroxy-3-((4-nitrophenyl)azo)naphthalene-2,7-disulphonate; disodium (3Z)-5-[(2E)-2-{(5Z)-5-[2-(2-hydroxy-5-nitrophenyl)hydrazinylidene]-4,6-dioxocyclohex-2-en-1-ylidene}hydrazinyl]-3-[2-(4-nitrophenyl)hydrazinylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate |