InChI=1S/C20H30O4/c1-11(2)16-18(24)17(23)14-9-13-12(10-21)15(22)5-6-19(13,3)7-8-20(14,16)4/h9,11,16-18,21,23-24H,5-8,10H2,1-4H3/t16-,17-,18-,19-,20-/m0/s1