InChI=1S/C19H20O10/c1-2-9-15(26-9)11-6-8-7(18(25)27-11)4-3-5-10(8)28-19-14(22)12(20)13(21)16(29-19)17(23)24/h3-6,9,12-16,19-22H,2H2,1H3,(H,23,24)