InChI=1S/C20H30O3/c1-15(7-5-8-16(2)13-19(22)23)10-11-18-17(3)9-6-12-20(18,4)14-21/h5,7-8,10-11,16,21H,6,9,12-14H2,1-4H3,(H,22,23)/b8-5+,11-10+,15-7-