| Synonyms |
Trisodium 4-hydroxy-5-((2-hydroxynaphthyl)azo)-3-((4-sulphonatonaphthyl)azo)naphthalene-2,7-disulphonate; (3E)-4-oxo-5-[(2Z)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazinyl]-3-[2-(4-sulfonaphthalen-1-yl)hydrazinylidene]-3,4-dihydronaphthalene-2,7-disulfonic acid |