InChI=1/C19H20N6O2/c1-2-14-17(18(20)24-19(21)23-14)13-8-9-15(16(10-13)25(26)27)22-11-12-6-4-3-5-7-12/h3-10,22H,2,11H2,1H3,(H4,20,21,23,24)/f/h20-21H2 CEF456FF3D6BE304