InChI=1/C20H23ClN4O4/c1-13-4-6-14(7-5-13)20(28)24-23-19(27)12-25(2)11-18(26)22-16-10-15(21)8-9-17(16)29-3/h4-10H,11-12H2,1-3H3,(H,22,26)(H,23,27)(H,24,28)/p+1/fC20H24ClN4O4/h22-25H/q+1 A3FCD2ACDF4C986C