InChI=1/C20H23ClN4O4/c1-25(13-19(27)23-17-5-3-4-15(21)10-17)12-18(26)22-11-14-6-8-16(9-7-14)24-20(28)29-2/h3-10H,11-13H2,1-2H3,(H,22,26)(H,23,27)(H,24,28)/p+1/fC20H24ClN4O4/h22-25H/q+1 9F2A1F36C4FB9EA7