InChI=1S/C16H28O9/c1-8(9(17)4-6-16(2,3)23)5-7-24-15-12(20)10(18)11(19)13(25-15)14(21)22/h4,6,8-13,15,17-20,23H,5,7H2,1-3H3,(H,21,22)/b6-4+