InChI=1/C19H20Cl2N4O4/c1-25(10-17(26)22-13-5-8-15(20)16(21)9-13)11-18(27)24-19(28)23-12-3-6-14(29-2)7-4-12/h3-9H,10-11H2,1-2H3,(H,22,26)(H2,23,24,27,28)/p+1/fC19H21Cl2N4O4/h22-25H/q+1 ED31E9F3C92183E8