InChI=1S/C16H24O9/c1-2-3-4-5-6-7-8-9(14(20)21)24-16-12(19)10(17)11(18)13(25-16)15(22)23/h2-3,6-7,9-13,16-19H,4-5,8H2,1H3,(H,20,21)(H,22,23)/b3-2-,7-6-