InChI=1/C20H16N4O2/c1-11-10-22-20(26)18-17(11)15-8-13(5-6-16(15)24-18)19(25)23-14-4-2-3-12(7-14)9-21/h2-8,11,24H,10H2,1H3,(H,22,26)(H,23,25)/t11-/m0/s1/f/h22-23H C91297770F3A6923