InChI=1S/C20H22O10/c1-20(2,30-19-16(24)14(22)15(23)17(29-19)18(25)26)12-6-9-5-8-3-4-13(21)28-10(8)7-11(9)27-12/h3-5,7,12,14-17,19,22-24H,6H2,1-2H3,(H,25,26)