InChI=1S/C16H22O8/c1-14(5-17)15(2)6-3-16(14,4-7(6)15)24-13-10(20)8(18)9(19)11(23-13)12(21)22/h5-11,13,18-20H,3-4H2,1-2H3,(H,21,22)