InChI=1S/C28H40O6/c1-19(9-8-10-20(2)25(31)12-13-27(4,5)32)15-24(30)18-28(6,33)14-11-22-17-23(29)16-21(3)26(22)34-7/h11-17,20,29,32-33H,8-10,18H2,1-7H3/b13-12+,14-11+,19-15+