InChI=1S/C21H24O12/c1-21(8-22,7-10-11(30-2)5-3-9-4-6-12(23)31-16(9)10)20(29)33-19-15(26)13(24)14(25)17(32-19)18(27)28/h3-6,13-15,17,19,22,24-26H,7-8H2,1-2H3,(H,27,28)