InChI=1S/C20H30O2/c1-13-5-6-15(22)19(4)8-7-14-16-17(2,11-20(13,14)19)9-10-18(16,3)12-21/h5-6,13-14,16,21H,7-12H2,1-4H3/t13-,14-,16-,17+,18+,19-,20-/m1/s1