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/h2-3,5-8,10-14,16-20H,4,9H2,1H3,(H,21,22)/b3-2-,7-5+,8-6-