94166-76-4

disodium 7-amino-4-hydroxy-8-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate (8Z)-7-amino-4-oxo-8-[(3-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate 7-Amino-4-hydroxy-8-[[3-(sodiosulfo)phenyl]azo]-2-naphthalenesulfonic acid sodium salt