InChI=1S/C20H34O4/c1-18(17(24)11-21)8-6-14-13(10-18)4-5-15-19(14,2)9-7-16(23)20(15,3)12-22/h4,14-17,21-24H,5-12H2,1-3H3/t14-,15+,16+,17-,18+,19+,20-/m1/s1