1,4-dibromo-2,5-dibutoxybenzene InChI=1/C14H20Br2O2/c1-3-5-7-17-13-9-12(16)14(10-11(13)15)18-8-6-4-2/h9-10H,3-8H2,1-2H benzene, 1,4-dibromo-2,5-dibutoxy-