InChI=1S/C20H30O3/c1-14-5-8-17-19(2,13-21)9-4-10-20(17,3)16(14)7-6-15-11-18(22)23-12-15/h11,16-17,21H,1,4-10,12-13H2,2-3H3/t16-,17-,19+,20-/m0/s1