InChI=1S/C22H23F2N7O/c23-22(24,18-7-3-4-9-26-18)12-28-21-20-17(8-10-27-21)32-19(30-20)11-15-5-1-2-6-16(15)31-14-25-13-29-31/h1-2,5-6,8,10,13-14,18,26H,3-4,7,9,11-12H2,(H,27,28)/t18-/m1/s1