InChI=1/C20H20N4O2/c1-2-15-10-19(25)24-20(23-15)14-7-8-18(21-11-14)22-12-16-9-13-5-3-4-6-17(13)26-16/h3-8,10-11,16H,2,9,12H2,1H3,(H,21,22)(H,23,24,25)/t16-/m0/s1/f/h22,24H 15193C318ED3C711