InChI=1/C19H20N6O2/c1-3-9-25-18(26)15-17(23(2)19(25)27)22-16(21-15)14-10-20-24(12-14)11-13-7-5-4-6-8-13/h4-8,10,12H,3,9,11H2,1-2H3,(H,21,22)/f/h21H D9F6736CA92A6B49