InChI=1/C20H23N5O4/c1-12-10-16(18(21)17(11-12)25(28)29)20(27)23-14-2-4-15(5-3-14)24-8-6-13(7-9-24)19(22)26/h2-5,10-11,13H,6-9,21H2,1H3,(H2,22,26)(H,23,27)/f/h23H,22H2 A1FD2544E928A69E