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