3963-80-2

DisodiuM 4-aMino-5-hydroxynaphthalene-2,7-disulfonate disodium 4-amino-5-hydroxynaphthalene-2,7-disulphonate 7-naphthalenedisulfonicacid,4-amino-5-hydroxy-disodiumsalt 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt 5-Amino-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt 4-AMINO-5-HYDROXY-2,7-NAPHTHALENE-DISULFONIC ACID, 2 NA, TECH., 65% 8-Amino-1-naphthol-3,6-disulfonic acid disodium salt, Disodium 4-amino-5-hydroxy-2,7-naphthalenedisulfonate, H Acid disodium salt