InChI=1S/C20H30O4/c1-7-12(2)15-14(22)16-18(5,24-15)10-11-20(23)17(3,4)9-8-13(21)19(16,20)6/h7,14,16,22-23H,1,8-11H2,2-6H3/b15-12-/t14-,16+,18-,19-,20-/m1/s1