InChI=1/C18H11N5O5/c24-14(21-12-8-20-18(28)22-15(12)25)9-4-5-10-11(7-9)17(27)23(16(10)26)13-3-1-2-6-19-13/h1-8H,(H,21,24)(H2,20,22,25,28)/f/h20-22H 9C41D951062CA323