InChI=1S/C16H24O8/c1-10(8-6-4-2-3-5-7-9-17)23-16-13(20)11(18)12(19)14(24-16)15(21)22/h2-3,6,8-14,16,18-20H,4-5,7H2,1H3,(H,21,22)/b3-2-,8-6-