1,2-benzenediol, 3-bromo-4,5-bis[(2,3-dibromo-4,5-dihydroxyphenyl)methyl]- 3-Bromo-4,5-bis(2,3-dibromo-4,5-dihydroxybenzyl)pyrocatechol 4,4'-[(3-bromo-4,5-dihydroxy-1,2-phenylene)bis(methylene)]bis(5,6-dibromobenzene-1,2-diol) InChI=1/C20H13Br5O6/c21-13-7(4-11(27)19(30)16(13)24)1-6-3-10(26)18(29)15(23)9(6)2-8-5-12(28)20(31)17(25)14(8)22/h3-5,26-31H,1-2H