InChI=1S/C20H25F6NO3/c1-3-4-5-6-7-8-11-30-18(29)13(2)27-17(28)15-12-14(19(21,22)23)9-10-16(15)20(24,25)26/h9-10,12-13H,3-8,11H2,1-2H3,(H,27,28)