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