InChI=1S/C20H34O2/c1-15(2)17-10-13-19(4,21)12-6-7-16(3)8-9-18-20(5,22-18)14-11-17/h7,10,13,15,17-18,21H,6,8-9,11-12,14H2,1-5H3/b13-10-,16-7-/t17-,18-,19+,20-/m0/s1