InChI=1/C20H16N4O2/c1-24-18-5-3-2-4-13(18)9-17(20(24)26)23-19(25)16-10-14-8-12(11-21)6-7-15(14)22-16/h2-8,10,17,22H,9H2,1H3,(H,23,25)/t17-/m1/s1/f/h23H 085C36C54C1C125B