InChI=1S/C16H26O9/c1-14(2)16(22)5-4-15(3,25-14)7(6-16)23-13-10(19)8(17)9(18)11(24-13)12(20)21/h7-11,13,17-19,22H,4-6H2,1-3H3,(H,20,21)