2-Bromo-6-methoxynaphthalene|2-Bromo-6-methoxynaphthalene ;2-Methoxy-6-bromonaphthalene; 6-Methoxy-2-bromonaphthalene; NSC 3236; Naproxen Impurity N;|2-Bromo-6-methoxynaphthalene (Naproxen Impurity N)|2-Methoxy-6-bromonaphthalene|6-Methoxy-2-bromonaphthalene|NSC 3236