InChI=1/C15H11N7O/c23-14(19-15-17-11-6-2-3-7-12(11)18-15)10-5-1-4-8-13(10)22-9-16-20-21-22/h1-9H,(H2,17,18,19,23)/f/h17-18H 213CBBA78763BDBC