InChI=1/C20H26N4O4/c1-3-24(4-2)13-6-12-21-19(26)20(27)23-16-10-8-15(9-11-16)22-18(25)17-7-5-14-28-17/h5,7-11,14H,3-4,6,12-13H2,1-2H3,(H,21,26)(H,22,25)(H,23,27)/p+1/fC20H27N4O4/h21-24H/q+1 866E304BD2017F1D