InChI=1S/C25H31FO4/c1-2-3-4-5-6-7-8-18-29-24(27)21-11-13-22(14-12-21)25(28)30-19-17-20-9-15-23(26)16-10-20/h9-16H,2-8,17-19H2,1H3