1-Hydroxy-2-naphthalenecarboxylic acid 1-Hydroxy-2-naphthoic acid 1-Naphthol-2-carboxylic acid 2-Carboxy-1-naphthol 2-Naphthalenecarboxylic acid, 1-hydroxy- 2-Naphthoic acid, 1-hydroxy- 86-48-6 NSC3717