InChI=1S/C16H24O9/c1-15(2)5-4-6(17)16(15,3)12(7(5)18)25-14-10(21)8(19)9(20)11(24-14)13(22)23/h5,7-12,14,18-21H,4H2,1-3H3,(H,22,23)