BrC12C=CC(O)(C)C3(CC(Br)=C(C)CC3O1)C2(C)C.CC4=CCC56C(C4)OC(Br)(C=CC6(O)C)C5(C)C.CC7=CCC89C(C7)OC(Br)(C=CC9(O)C)C8(C)C