InChI=1S/C22H20Cl2N2O8/c1-26-13-7-6-9(23)8-11(13)14(10-4-2-3-5-12(10)24)25-19(20(26)30)34-22-17(29)15(27)16(28)18(33-22)21(31)32/h2-8,15-19,22,27-29H,1H3,(H,31,32)/t15-,16-,17+,18-,19?,22-/m0/s1