InChI=1/C20H18Cl2N4O6/c1-24(11-18(27)23-12-4-6-14(21)15(22)9-12)19(28)3-2-8-25-16-7-5-13(26(30)31)10-17(16)32-20(25)29/h4-7,9-10H,2-3,8,11H2,1H3,(H,23,27)/f/h23H B5448714E4DC874B