InChI=1S/C16H20O11/c1-25-8-4-3-7(17)6(10(8)19)2-5-9(18)26-16-13(22)11(20)12(21)14(27-16)15(23)24/h3-4,11-14,16-17,19-22H,2,5H2,1H3,(H,23,24)