InChI=1S/C17H20O11/c1-25-8-5-3-7(10(19)14(8)26-2)4-6-9(18)27-17-13(22)11(20)12(21)15(28-17)16(23)24/h3-6,11-13,15,17,19-22H,1-2H3,(H,23,24)