InChI=1S/C10H16Br2Cl2O2/c1-9(12,6-13)8(15)5-7(14)10(2,16)3-4-11/h3-4,7-8,15-16H,5-6H2,1-2H3/b4-3+/t7-,8-,9-,10-/m1/s1