InChI=1S/C24H26O7/c1-11(2)6-7-13-20-18(10-17(27)24(13)30-5)31-19-9-16(26)14(8-15(25)12(3)4)22(28)21(19)23(20)29/h6,9-10,15,25-28H,3,7-8H2,1-2,4-5H3