InChI=1/C20H17ClN4O4/c1-24-19(28)13-4-2-11(8-14(13)20(24)29)18(27)23-12-3-5-16(15(21)9-12)25-7-6-22-17(26)10-25/h2-5,8-9H,6-7,10H2,1H3,(H,22,26)(H,23,27)/f/h22-23H 1EC96394F0E201E9