InChI=1S/C21H21Cl3N2O5/c22-15-8-5-4-7-14(15)20(29)26-21(30)25-13-11-16(23)19(17(24)12-13)31-10-6-2-1-3-9-18(27)28/h4-5,7-8,11-12H,1-3,6,9-10H2,(H,27,28)(H2,25,26,29,30)