(1,1'-Biphenyl)-2,2'-diol, 4,4',6,6'-tetrabromo- 14957-65-4 4,4',6,6'-Tetrabromo(1,1'-biphenyl)-2,2'-diol 4,4',6,6'-Tetrabromo-2,2'-biphenyldiol 4,4',6,6'-Tetrabromo-o,o'-biphenol EINECS 239-029-0