InChI=1/C18H16N6O2/c19-17-22-14(13-7-4-10-26-13)15-16(23-17)24(11-21-15)18(25)20-9-8-12-5-2-1-3-6-12/h1-7,10-11H,8-9H2,(H,20,25)(H2,19,22,23)/f/h20H,19H2 642666A653207150