InChI=1S/C20H18FN5O/c1-11-19-17(25-20(22)24-11)7-13(8-18(19)26-27)15-5-4-14(21)9-16(15)12-3-2-6-23-10-12/h2-6,9-10,13,27H,7-8H2,1H3,(H2,22,24,25)/b26-18+/t13-/m0/s1