InChI=1S/C15H22O9/c1-14(22)6-2-3-15(4-6,13(14)21)5-23-12-9(18)7(16)8(17)10(24-12)11(19)20/h6-10,12,16-18,22H,2-5H2,1H3,(H,19,20)