InChI=1S/C25H40O4/c1-3-5-6-11-16-21-28-24(26)19-12-9-7-8-10-13-20-25(27)29-23-18-15-14-17-22(23)4-2/h14-15,17-18H,3-13,16,19-21H2,1-2H3