1,5-Naphthalenediol, 2,6-dibromo- 2,6-Dibromo-1,5-dihydroxynaphthalene 2,6-Dibromo-1,5-naphthalenediol 2,6-Dibromonaphthalene-1,5-diol 84-59-3 EINECS 201-543-8 NSC 62684