InChI=1/C19H20N4O2/c1-13(2)21-19(25)22-16-9-7-15(8-10-16)18(24)23(3)17-6-4-5-14(11-17)12-20/h4-11,13H,1-3H3,(H2,21,22,25)/f/h21-22H 8D39061CE74CB126