InChI=1/C20H23ClN4O4/c1-4-24(12-20(27)23-17-10-15(21)9-8-13(17)2)11-19(26)22-16-6-5-7-18(14(16)3)25(28)29/h5-10H,4,11-12H2,1-3H3,(H,22,26)(H,23,27)/p+1/fC20H24ClN4O4/h22-24H/q+1 B70B19DF80B8990E