InChI=1/C19H21N5O2/c1-13(26)21-14-6-4-7-15(12-14)22-19-23-17-9-3-2-8-16(17)18(24-19)20-10-5-11-25/h2-4,6-9,12,25H,5,10-11H2,1H3,(H,21,26)(H2,20,22,23,24)/f/h20-22H AEF4312A6E6E2F6A