InChI=1/C20H19N5O3/c21-18(26)17-9-10-25(24-17)14-7-5-13(6-8-14)22-19(27)15-11-12-3-1-2-4-16(12)23-20(15)28/h5-11H,1-4H2,(H2,21,26)(H,22,27)(H,23,28)/f/h22-23H,21H2 961895435F914F5A