InChI=1S/C16H28O9/c1-16(2,23)6-3-4-9(5-7-17)8-24-15-12(20)10(18)11(19)13(25-15)14(21)22/h3,6,9-13,15,17-20,23H,4-5,7-8H2,1-2H3,(H,21,22)/b6-3+