InChI=1/C20H20N4O2/c25-19-20(15-4-1-2-5-16(15)22-19)9-3-11-24(13-20)12-14-6-7-18(26-14)17-8-10-21-23-17/h1-2,4-8,10H,3,9,11-13H2,(H,21,23)(H,22,25)/t20-/m0/s1/f/h21-22H	75B89B98C778EA17