InChI=1S/C19H26O9/c1-10(2)6-7-26-13(20)9-11-4-3-5-12(8-11)27-19-16(23)14(21)15(22)17(28-19)18(24)25/h3-5,8,10,14-17,19,21-23H,6-7,9H2,1-2H3,(H,24,25)