disodium 5-[[4-[[4-[(2,8-dihydroxy-6-sulphonatonaphthyl)azo]-o-tolyl]methyl]phenyl]azo]-4,6-dihydroxynaphthalene-2-sulphonate | Dinatrium-5-[[4-[[4-[(2,8-dihydroxy-6-sulfonatonaphthyl)azo]-o-tolyl]methyl]phenyl]azo]-4,6-dihydroxynaphthalin-2-sulfonat | 73513-98-1 |