InChI=1S/C31H32Cl2N2O9/c1-17(36)35-26-23(37)14-31(30(41)42,43-16-21-8-5-9-22(32)25(21)33)44-28(26)27(39)24(38)15-34-29(40)20-12-10-19(11-13-20)18-6-3-2-4-7-18/h2-13,23-24,26-28,37-39H,14-16H2,1H3,(H,34,40)(H,35,36)(H,41,42)/t23-,24+,26+,27+,28+,31+/m0/s1