InChI=1S/C20H34O2/c1-17(13-21)7-4-8-18(2)16(17)6-5-14-11-15-12-20(14,18)10-9-19(15,3)22/h14-16,21-22H,4-13H2,1-3H3/t14-,15+,16-,17-,18-,19+,20-/m0/s1