InChI=1/C20H23ClN4O4/c1-25(2)12-18(26)23-14-6-4-5-13(9-14)11-22-20(28)24-15-7-8-17(21)16(10-15)19(27)29-3/h4-10H,11-12H2,1-3H3,(H,23,26)(H2,22,24,28)/p+1/fC20H24ClN4O4/h22-25H/q+1 652833E11143B438