InChI=1S/C16H22O8/c1-8(10-4-2-9(6-17)3-5-10)7-23-16-13(20)11(18)12(19)14(24-16)15(21)22/h2-5,8,11-14,16-20H,6-7H2,1H3,(H,21,22)