InChI=1S/C29H36O8/c1-15-18-8-9-19(17-11-13-36-26(17)34)29(18,6)25(33)24(37-16(2)30)23(15)28(5)12-10-21(31)27(3,4)20(28)14-22(32)35-7/h8,10-12,19-20,23-25,33H,1,9,13-14H2,2-7H3