InChI=1S/C16H26O9/c1-2-6-9(17)7-4-3-5-8-10(18)24-16-13(21)11(19)12(20)14(25-16)15(22)23/h2,9,11-14,16-17,19-21H,1,3-8H2,(H,22,23)