InChI=1/C20H24N4O4/c21-19(26)14-7-9-24(10-8-14)13-18(25)23-17-6-2-1-5-16(17)20(27)22-12-15-4-3-11-28-15/h1-6,11,14H,7-10,12-13H2,(H2,21,26)(H,22,27)(H,23,25)/p+1/fC20H25N4O4/h22-24H,21H2/q+1 EFB8AC42AE1599FD