Synonyms:
nw acid ; sodium 4-hydroxy-1-naphthalenesulfonate ; nevile-winter''s acid sodium salt ; neville-winther acid sodium salt ; neville winther acid ; a-naphthosulfonic acid sodium salt ; sodium naphthol sulfonate ; sodium 4-hydroxynaphthalene-1-sulfonate ; 1-naphthol-4-sulfonic acid sodium salt ; sodium 1-naphthol-4-sulfonate