1-ethyl trihydrogen 2-[[4-[[1-amino-8-hydroxy-3,6-disulphonato-7-[(4-sulphonatophenyl)azo]-2-naphthyl]azo][1,1-biphenyl]-4-yl]azo]acetoacetate, sodium salt
85750-07-8 4-amino-3-[[4-[(4-amino-2-hydroxyphenyl)azo][1,1-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt