InChI=1S/C19H26O12/c20-6-9-10(21)15(14(25)18(29-9)28-7-8-4-2-1-3-5-8)30-19-13(24)11(22)12(23)16(31-19)17(26)27/h1-5,9-16,18-25H,6-7H2,(H,26,27)