InChI=1/C20H23ClN4O4/c1-13-4-7-15(8-5-13)22-20(28)24-19(27)12-25(2)11-18(26)23-16-10-14(21)6-9-17(16)29-3/h4-10H,11-12H2,1-3H3,(H,23,26)(H2,22,24,27,28)/p+1/fC20H24ClN4O4/h22-25H/q+1 7776F23815127E09