InChI=1/C21H22N4O4/c26-19-14-18(15-4-2-1-3-5-15)25(11-10-22-19)20(27)23-16-6-8-17(9-7-16)24-12-13-29-21(24)28/h1-9,18H,10-14H2,(H,22,26)(H,23,27)/t18-/m0/s1/f/h22-23H 10725594A310C4B9