InChI=1S/C23H23FN2O9/c1-2-7-25-13-9-14(26-20(30)10-5-3-4-6-11(10)21(26)31)12(24)8-15(13)34-23-18(29)16(27)17(28)19(35-23)22(32)33/h1,8-9,16-19,23,25,27-29H,3-7H2,(H,32,33)