InChI=1/C18H13N7O3/c26-16(11-5-7-12(8-6-11)25-10-20-23-24-25)22-19-9-15-13-3-1-2-4-14(13)17(27)21-18(15)28/h1-10,19H,(H,22,26)(H,21,27,28)/b15-9+/f/h21-22H 20F71FD0A1951766