InChI=1S/C19H24O9/c1-9(2)12(20)7-5-10-4-6-11(26-3)8-13(10)27-19-16(23)14(21)15(22)17(28-19)18(24)25/h4-9,14-17,19,21-23H,1-3H3,(H,24,25)