InChI=1/C21H16N6O2/c28-13-19-25-17-7-4-15(12-18(17)26-19)27-11-10-22-20(27)14-2-5-16(6-3-14)29-21-23-8-1-9-24-21/h1-12,28H,13H2,(H,25,26)/f/h25H F486028B4C5C961A