InChI=1S/C20H34O3/c1-2-3-16-19(21)17-14-12-10-8-6-4-5-7-9-11-13-15-18-20(22)23/h4-5,8,10,14,17,19,21H,2-3,6-7,9,11-13,15-16,18H2,1H3,(H,22,23)/b5-4-,10-8-,17-14-