1,3-Naphthalene disulfonic acid, 6,6'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-, tetrasodium salt 1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dimethyl-4,4'-biphenylylene)bis(azo)]bis(4-amino-5-hydroxy-, tetrasodium salt 1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-, tetrasodium salt 314-13-6 4,4'-Bis(1-amino-8-hydroxy-2,4-disulfo-7-naphthylazo)-3,3'-bitolyl, tetrasodium salt 4,4'-Bis(1-amino-8-hydroxy-2,4-disulfo-7-naphthylazo)-3,3'-bitolyl, tetrasodiumsalt 4,4'-Bis[7-(1-amino-8-hydroxy-2,4-disulfo)naphthylazo]-3,3'-bitolyl, tetrasodium salt Azovan Blue C.I. 23860 C.I. Direct Blue 53 C.I. Direct Blue 53, tetrasodium salt Chlorazol SKY Blue FF Diamine SKY Blue FF Diazobleu Diazol Pure Blue BF Dye Evans Blue Evablin Evan's Blue Evans Blue Evans Blue Dye Evans Blue sodium salt Evans' Blue Geigy Blue 536, Med Geigy-blau 536 NSC8680 T 1824 T-1824 T1824 WLN: L66J BZ CSWO ESWO JQ INUNR B1 DR C1 DNUN-IL66J BZ CSWO ESWO JQ &-NA-4