InChI=1S/C20H32O2/c1-14(13-18(21)22)7-9-16-15(2)8-10-17-19(3,4)11-6-12-20(16,17)5/h8,13,16-17H,6-7,9-12H2,1-5H3,(H,21,22)/b14-13-