InChI=1/C18H14N8O3/c27-16-12-6-2-1-5-11(12)14(22-23-16)17(28)24-25-18(29)21-13-7-3-8-19-15(13)26-10-4-9-20-26/h1-10H,(H,23,27)(H,24,28)(H2,21,25,29)/f/h21,23-25H 41B1F95E36D96380