InChI=1S/C16H24O8/c1-2-3-4-5-6-7-8-9-10(17)23-16-13(20)11(18)12(19)14(24-16)15(21)22/h6-9,11-14,16,18-20H,2-5H2,1H3,(H,21,22)/b7-6-,9-8+