InChI=1S/C19H26O9/c1-11(7-8-26-13(20)9-12-5-3-2-4-6-12)10-27-19-16(23)14(21)15(22)17(28-19)18(24)25/h2-6,11,14-17,19,21-23H,7-10H2,1H3,(H,24,25)