InChI=1/C20H16N4O/c1-24-19(15-5-3-2-4-6-15)22-23-20(24)17(13-21)12-14-7-8-18-16(11-14)9-10-25-18/h2-8,11-12H,9-10H2,1H3/b17-12- BD573491035A73F6