InChI=1S/C16H28O9/c1-7-3-4-8(5-9(7)18)16(2,6-17)25-15-12(21)10(19)11(20)13(24-15)14(22)23/h7-13,15,17-21H,3-6H2,1-2H3,(H,22,23)