InChI=1S/C20H34O3/c1-12(2)14-5-7-19(3)10-15-13(11-21)9-17(22)18(15)20(4,23)8-6-16(14)19/h6,12-15,17-18,21-23H,5,7-11H2,1-4H3/b16-6-