InChI=1S/C16H28O9/c1-8(6-7-17)4-5-9(18)16(2,3)25-15-12(21)10(19)11(20)13(24-15)14(22)23/h9-13,15,17-21H,1,4-7H2,2-3H3,(H,22,23)