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