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