InChI=1/C19H16N6O2/c1-3-16-14(12-22-25(16)21-7-1)15-6-8-20-19(24-15)23-13-4-5-17-18(11-13)27-10-2-9-26-17/h1,3-8,11-12H,2,9-10H2,(H,20,23,24)/f/h23H F4C219D665EE590E