Naphth[1,2-d]oxazole-5-sulfonicacid, 1,2-dihydro-2-thioxo-, monosodium salt (9CI);Naphth[1,2-d]oxazole-5-sulfonic acid, 2-mercapto-, monosodium salt (8CI);Naphth[1,2-d]oxazole-5-sulfonic acid, 2-mercapto-, sodium salt (7CI)
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