InChI=1/C20H18N4O2/c1-13-2-4-14(5-3-13)10-16(11-21)20(26)23-17-8-9-18(22-12-17)24-19(25)15-6-7-15/h2-5,8-10,12,15H,6-7H2,1H3,(H,23,26)(H,22,24,25)/b16-10-/f/h23-24H F7A8D3128BAD00B6