I-CAS:135-53-5 MF:I-C10H7NaO5S MW:262.21 I-EINECS:205-198-4 Omqondofana:2-Naphthalenesulfonicacid,6,7-dihydroxy-,monosodiumsalt; 6,7-dihydroxy-2-naphthalenesulfonicacimonosodiumsalt; 6,7-DIHYDROXY-2-NAPHTHALENESULFONIC ACID SODIUM USAWOTI; I-2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID MONOSODIUM SALT; I-2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID SODIUM SALT; I-DIHYDROXY-R-SALT; I-DIOXY R USAWOTI; I-DS ACID, USAWOTI WE-MONOSODIUM; I-sodium 2,3-dihydroxynaphthalene-6-sulfonate; I-SODIUM 6,7-DIHYDROXY-2-NAPHTHALENE SULFONATE; I-SODIUM 6,7-DIHYDROXYNAPHTHALENE-2-SULFONATE; i-sodium 6,7-dihydroxynaphthalene-2-sulphonate