InChI=1S/C20H30O3/c1-2-3-4-5-6-7-8-9-10-11-12-14-17-15-13-16-18(21)19(17)20(22)23/h6-7,13,15-16,21H,2-5,8-12,14H2,1H3,(H,22,23)/b7-6-