InChI=1S/C11H12Cl2N2O8S/c12-10(13)11(17)14-8(5-23-24(20,21)22)9(16)6-1-3-7(4-2-6)15(18)19/h1-4,8-10,16H,5H2,(H,14,17)(H,20,21,22)/t8-,9-/m1/s1