InChI=1S/C15H22O9/c1-5-6-2-3-15(4-16,11(5)20)12(6)24-14-9(19)7(17)8(18)10(23-14)13(21)22/h5-10,12,14,16-19H,2-4H2,1H3,(H,21,22)