InChI=1S/C16H22O8/c17-9-7-5-3-1-2-4-6-8-10-23-16-13(20)11(18)12(19)14(24-16)15(21)22/h1,3-7,9,11-14,16,18-20H,2,8,10H2,(H,21,22)/b3-1-,6-4-,7-5+