Synonyms:
4-hydroxy-6-(methylamino)naphthalene-2-sulphonic acid ; 4-hydroxy-6-(methylamino)naphthalene-2-sulfonic acid ; 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid ; einecs 228-406-5 ; 2-naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)- ; 8-hydroxy-2-methylamino-6-naphthalenesulfonic acid ; n-methyl-γ-acid