trisodium 8-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-5-[[4-(phenylazo)-7-sulphonatonaphthyl]azo]naphthalene-2-sulphonate | Trinatrium-8-[(7-amino-1-hydroxy-3-sulfonato-2-naphthyl)azo]-5-[[4-(phenylazo)-7-sulfonatonaphthyl]azo]naphthalin-2-sulfonat | 10134-33-5 |