InChI=1S/C20H30O/c1-15-6-9-18-19(2,3)11-5-12-20(18,4)17(15)8-7-16-10-13-21-14-16/h6,10,13-14,17-18H,5,7-9,11-12H2,1-4H3/t17-,18-,20+/m1/s1