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