InChI=1S/C19H26O13/c20-5-9-10(21)11(22)14(25)18(31-9)29-6-7-3-1-2-4-8(7)30-19-15(26)12(23)13(24)16(32-19)17(27)28/h1-4,9-16,18-26H,5-6H2,(H,27,28)