InChI=1S/C20H34O3/c1-5-17(2)11-14(22)16-19(4)9-6-8-18(3,13-21)15(19)7-10-20(16,23)12-17/h5,14-16,21-23H,1,6-13H2,2-4H3/t14-,15?,16?,17+,18-,19+,20-/m1/s1