4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid130-23-4100 % similar S Acid83-64-766 % similar 2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid6535-70-260 % similar H Acid90-20-059 % similar 5-Amino-1-hydroxy-3-naphthalenesulfonic acid489-78-158 % similar 5,6-Diamino-1,3-naphthalenedisulfonic acid73692-57-655 % similar Aniline-2,4-disulfonic acid137-51-953 % similar 2-Amino-1,4-benzenedisulfonic acid98-44-253 % similar 8-Hydroxy-1,6-naphthalenedisulfonic acid117-43-152 % similar Chromotropic acid148-25-451 % similar Naphthionic acid84-86-651 % similar 3-Amino-4-hydroxybenzenesulfonic acid98-37-351 % similar 2-Aminophenol-4,6-disulfonic acid120-98-950 % similar 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt5460-09-348 % similar 8-Amino-1,6-naphthalenedisulfonic acid129-91-948 % similar 7-Amino-4-hydroxy-2-naphthalenesulfonic acid87-02-548 % similar Gamma acid90-51-748 % similar 3,4-Diaminobenzenesulfonic acid7474-78-448 % similar 7-Amino-1,3,6-naphthalenetrisulfonic acid118-03-647 % similar 7-Amino-1,3,5-naphthalenetrisulfonic acid27310-25-447 % similar