InChI=1/C19H20N6O2/c1-25-18(22-23-24-25)15-6-4-7-16(10-15)21-19(26)20-11-13-9-14-5-2-3-8-17(14)27-12-13/h2-8,10,13H,9,11-12H2,1H3,(H2,20,21,26)/t13-/m1/s1/f/h20-21H 9ACEEBB31313B4B6