InChI=1S/C33H54O9/c1-16-7-10-33(39-15-16)17(2)26-24(42-33)12-21-19-6-5-18-11-23(40-30-29(38)28(37)27(36)25(14-34)41-30)22(35)13-32(18,4)20(19)8-9-31(21,26)3/h16-30,34-38H,5-15H2,1-4H3