InChI=1/C19H20N6O/c26-19(21-13-14-8-10-20-11-9-14)22-16-6-4-15(5-7-16)18-24-23-17-3-1-2-12-25(17)18/h4-11H,1-3,12-13H2,(H2,21,22,26)/f/h21-22H 9975E2C799B6A68D