orthoNitroaniline-p-Sulfonic Acid

3-Nitro-4-aminobenzenesulfonicacid

2-Nitroaniline-4-sulfonic acid ammmonium sodium salt

o-Nitroaniline-p-sulfonic acid, ammonium and sodium salts

Benzenesulfonic acid, 4-amino-3-nitro-, ammonium sodium salt

Benzenesulfonic acid, 4-amino-3-nitro-, ammonium sodium salt (1::)