InChI=1S/C15H26O9/c1-15(2,7-5-3-4-6-8(16)17)24-14-11(20)9(18)10(19)12(23-14)13(21)22/h9-12,14,18-20H,3-7H2,1-2H3,(H,16,17)(H,21,22)