InChI=1S/C24H26O8/c1-12(2)7-8-13-20(25)19-21(26)15(11-32-23(19)24(31-6)22(13)27)14-9-17(29-4)18(30-5)10-16(14)28-3/h7,9-11,25,27H,8H2,1-6H3