InChI=1S/C20H24O12/c1-20(2)6-11(23)8-3-7(9(21)5-12(8)32-20)4-10(22)18(29)31-19-15(26)13(24)14(25)16(30-19)17(27)28/h3,5,10,13-16,19,21-22,24-26H,4,6H2,1-2H3,(H,27,28)