InChI=1S/C21H22O13/c1-21(30)5-7(22)11-8(34-21)3-6-4-9(12(23)17(31-2)10(6)13(11)24)32-20-16(27)14(25)15(26)18(33-20)19(28)29/h3-4,14-16,18,20,23-27,30H,5H2,1-2H3,(H,28,29)