InChI=1S/C20H34O4/c1-2-3-14-17-20(23,24)18-15-12-10-8-6-4-5-7-9-11-13-16-19(21)22/h5,7,9,11,13,16,23-24H,2-4,6,8,10,12,14-15,17-18H2,1H3,(H,21,22)