InChI=1S/C18H22O11/c1-25-9-6-8(7-10(26-2)15(9)27-3)4-5-11(19)28-18-14(22)12(20)13(21)16(29-18)17(23)24/h4-7,12-14,16,18,20-22H,1-3H3,(H,23,24)