InChI=1S/C19H22O10/c1-8-2-10(20)6-12(27-8)4-9-3-11(21)7-13(5-9)28-19-16(24)14(22)15(23)17(29-19)18(25)26/h3,5-8,14-17,19,21-24H,2,4H2,1H3,(H,25,26)