InChI=1S/C20H30O2/c1-12-6-7-14(21)19(5)9-8-13-16-17(2,3)15(22)10-18(16,4)11-20(12,13)19/h6-7,12-13,15-16,22H,8-11H2,1-5H3/t12-,13-,15-,16+,18+,19-,20-/m1/s1