Synonyms: 2-Naphth-o-anisidide,7-bromo-3-hydroxy-, hydrogen sulfate (ester), monopotassium salt (8CI);2-Naphth-o-anisidide, 7-bromo-3-hydroxy-, hydrogen sulfate, potassium salt(7CI); 2-Naphthalenecarboxamide, 7-bromo-N-(2-methoxyphenyl)-3-(sulfooxy)-,monopotassium salt (9CI)