InChI=1S/C23H25F3N2O6/c1-22(20(29)27-21(30)34-22)14-31-16-4-2-15(3-5-16)28-12-10-18(11-13-28)32-17-6-8-19(9-7-17)33-23(24,25)26/h2-9,18,20,29H,10-14H2,1H3,(H,27,30)/t20-,22-/m0/s1