InChI=1/C16H14N6O2/c1-24-10-4-2-9(3-5-10)22-15-11(14(21-22)16(23)19-17)6-7-13-12(15)8-18-20-13/h2-8H,17H2,1H3,(H,18,20)(H,19,23)/f/h18-19H 471B3A3782092123