InChI=1S/C25H38O6/c1-12(2)13-7-8-23(3)9-10-24(4)15(17(13)23)6-5-14-18-20(24)31-22-25(18,28)19(30-21(14)27)16(26)11-29-22/h12,14-16,18-22,26-28H,5-11H2,1-4H3