6-bromonaphthalene-2-carboxylic acid; 2-Naphthalenecarboxylic Acid, 6-bromo-; 2-Naphthoic Acid, 6-bromo; 6-Bromo-2-naphthalenecarboxylic Acid; 2-Bromo-6-naphthoic Acid; 6-Bromo-2-naphthoic Acid; 6-Bromo-2-naphthylacetic Acid