InChI=1S/C20H30O2/c1-14-7-6-8-15(2)13-18-17(10-9-14)16(3)20(21-18)12-11-19(4,5)22-20/h7,11-13,16-18H,6,8-10H2,1-5H3/b14-7+,15-13+/t16-,17-,18+,20-/m1/s1