3-[4-[3-[2-Methoxy-4-(3-sodiosulfophenylazo)phenyl]ureido]-2-methylphenylazo]-1,5-naphthalenedisulfonic acid disodium salt | 3-[4-[N'-[2-Methoxy-4-[m-(sodiosulfo)phenylazo]phenyl]ureido]-2-methylphenylazo]-1,5-naphthalenedisulfonic acid disodium salt |
trisodium 3-[[4-[[[[2-methoxy-4-[(3-sulphonatophenyl)azo]phenyl]amino]carbonyl]amino]-o-tolyl]azo]naphthalene-1,5-disulphonate | 1,5-Naphthalenedisulfonic acid, 3-[[4-[[[[2-methoxy-4-[(3- sulfophenyl)azo]phenyl]amino]carbonyl]amino]-2-methylphenyl ]azo]-, trisodium salt |