3-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt, Sodium hydrogen 3-amino-5-hydroxynaphthalene-2,7-disulphonate, 3-Amino-5-hydroxy-naphthalin-2,7-disulfonsaeure,Natrium-Salz, 3-amino-5-hydroxy-naphthalene-2,7-disulfonic acid,sodium-salt, EINECS 262-913-2, ZLB0103