1779-10-8 2-Naphthalenecarboxylic acid, 4,7-dibromo-3-hydroxy- 2-Naphthoic acid, 4,7-dibromo-3-hydroxy- 4,7-Dibromo-3-hydroxy-2-naphthoic acid EINECS 217-214-7 NSC 50642 NSC 8508