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