InChI=1S/C20H32O2/c1-17-9-5-15-19(3)8-4-7-18(2,13-21)14(19)6-10-20(15,12-11-17)16(17)22/h11-12,14-16,21-22H,4-10,13H2,1-3H3/t14-,15+,16+,17-,18+,19-,20-/m1/s1