InChI=1S/C20H30O3/c1-13(2)6-5-7-16(20(21)22)9-11-18-15(4)17-10-8-14(3)12-19(17)23-18/h6,9,12,15,17-19H,5,7-8,10-11H2,1-4H3,(H,21,22)/b16-9+/t15-,17-,18+,19-/m1/s1