InChI=1S/C19H22O12/c1-19(2)5-9(21)6-3-7(8(20)4-10(6)31-19)11(22)17(28)30-18-14(25)12(23)13(24)15(29-18)16(26)27/h3-4,11-15,18,20,22-25H,5H2,1-2H3,(H,26,27)