InChI=1S/C20H36O6/c1-14(21)7-6-8-15(22)11-12-17-16(18(23)13-19(17)24)9-4-2-3-5-10-20(25)26/h14-17,19,21-22,24H,2-13H2,1H3,(H,25,26)