InChI=1S/C21H21Cl2N3O3/c1-12(28)25-14-8-6-13(7-9-14)19(18(11-27)26-21(29)20(22)23)16-10-24-17-5-3-2-4-15(16)17/h2-10,18-20,24,27H,11H2,1H3,(H,25,28)(H,26,29)