InChI=1S/C19H22O11/c20-10(12(21)11-7-8-3-1-2-4-9(8)18(27)29-11)5-6-28-19-15(24)13(22)14(23)16(30-19)17(25)26/h1-4,7,10,12-16,19-24H,5-6H2,(H,25,26)