InChI=1S/C28H29FN2O4/c1-28(2,18-19-8-14-23(29)15-9-19)31-27(35)24(16-17-25(32)33)30-26(34)22-12-10-21(11-13-22)20-6-4-3-5-7-20/h3-15,24H,16-18H2,1-2H3,(H,30,34)(H,31,35)(H,32,33)/t24-/m0/s1