InChI=1S/C28H43F4NO3/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-36-27(35)25(21(2)3)33-26(34)22-18-23(28(30,31)32)20-24(29)19-22/h18-21,25H,4-17H2,1-3H3,(H,33,34)