InChI=1S/C23H26Cl2N2O4/c1-26(22(28)12-16-7-8-19(24)20(25)11-16)21(14-27-9-2-3-10-27)17-5-4-6-18(13-17)31-15-23(29)30/h4-8,11,13,21H,2-3,9-10,12,14-15H2,1H3,(H,29,30)