InChI=1/C19H14N6O4/c26-14(22-24-16-10-5-1-3-7-12(10)20-18(16)28)9-15(27)23-25-17-11-6-2-4-8-13(11)21-19(17)29/h1-8H,9H2,(H,22,26)(H,23,27)(H,20,24,28)(H,21,25,29)/f/h20-23H/b24-16-,25-17- 69C70EE4FC24EE58