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