InChI=1/C19H16N8O/c1-11-17(15-10-23-25-19(28)27(15)26-11)14-8-16(24-18-13(14)4-7-21-18)22-9-12-2-5-20-6-3-12/h2-8,10H,9H2,1H3,(H,25,28)(H2,21,22,24)/p-1/fC19H15N8O/h21-22H/q-1 D0A6E063D5F42D62