InChI=1/C19H20N6O2/c26-17-5-2-1-4-16(17)23-10-12-24(13-11-23)19(27)22-15-6-7-18(20-14-15)25-9-3-8-21-25/h1-9,14,26H,10-13H2,(H,22,27)/f/h22H 264A1447226FE3D7