InChI=1S/C18H22O10/c1-7(2)3-4-8-5-9(6-10(19)11(8)20)17(26)28-18-14(23)12(21)13(22)15(27-18)16(24)25/h3,5-6,12-15,18-23H,4H2,1-2H3,(H,24,25)