1,1'-ethane-1,2-diylbis(4-bromo-2,5-dimethoxybenzene) InChI=1/C18H20Br2O4/c1-21-15-9-13(19)17(23-3)7-11(15)5-6-12-8-18(24-4)14(20)10-16(12)22-2/h7-10H,5-6H2,1-4H benzene, 1,1'-(1,2-ethanediyl)bis[4-bromo-2,5-dimethoxy-