InChI=1/C19H20N4O/c1-12-5-7-17-14(9-12)10-16(13(2)21-17)19(24)22-15-6-8-18(20-11-15)23(3)4/h5-11H,1-4H3,(H,22,24)/f/h22H 5975F2E47268CDED