InChI=1/C16H13N9O/c17-8-11(13-23-14(18)25-15(19)24-13)12(26)9-3-1-4-10(7-9)22-16-20-5-2-6-21-16/h1-7,11H,(H,20,21,22)(H4,18,19,23,24,25)/t11-/m1/s1/f/h22H,18-19H2 21DBF7F0722BC7ED