4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt5460-09-3100 % similar H Acid90-20-077 % similar Ants5398-34-570 % similar Chromotropic acid disodium salt dihydrate5808-22-060 % similar Chromotropic acid148-25-457 % similar Azomethine-H monosodium5941-07-156 % similar 2-Aminobenzene-1,4-sulfonic acid monosodium salt24605-36-553 % similar 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-749 % similar 4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid130-23-448 % similar 8-Amino-1,6-naphthalenedisulfonic acid129-91-947 % similar Direct blue 62602-46-247 % similar 3-Amino-4-hydroxybenzenesulfonic acid98-37-347 % similar 2-Naphthalenesulfonic acid, 4,6-dihydroxy-, sodium salt (1:1)83732-66-546 % similar 8-Hydroxy-1,6-naphthalenedisulfonic acid117-43-145 % similar Sodium 2,3-dihydroxynaphthalene-6-sulfonate135-53-545 % similar Tiron (chemical)149-45-145 % similar 5-Amino-1-hydroxy-3-naphthalenesulfonic acid489-78-144 % similar 7-Amino-4-hydroxy-2-naphthalenesulfonic acid87-02-544 % similar Gamma acid90-51-744 % similar 2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid6535-70-243 % similar