InChI=1/C19H16N8O/c1-11-17(15-10-23-25-19(28)27(15)26-11)14-7-16(24-18-13(14)4-6-21-18)22-9-12-3-2-5-20-8-12/h2-8,10H,9H2,1H3,(H,25,28)(H2,21,22,24)/p-1/fC19H15N8O/h21-22H/q-1 B3B1A06547FF0E12