InChI=1/C19H15N7O/c1-27-9-11-3-2-4-15-16(11)24-19(23-15)17-14-5-12(8-22-18(14)26-25-17)13-6-20-10-21-7-13/h2-8,10H,9H2,1H3,(H,23,24)(H,22,25,26)/f/h23,26H C09D1B78E4AF8F36