InChI=1S/C29H44O7/c1-16(7-10-26(33)34-6)21-8-9-22-27-23(15-25(32)29(21,22)5)28(4)12-11-20(35-17(2)30)13-19(28)14-24(27)36-18(3)31/h16,19-24,27H,7-15H2,1-6H3