InChI=1S/C15H24O9/c1-8(13(19)20)6-4-2-3-5-7-23-15-11(18)9(16)10(17)12(24-15)14(21)22/h6,9-12,15-18H,2-5,7H2,1H3,(H,19,20)(H,21,22)/b8-6-