InChI=1S/C19H26O9/c1-10(2)18(25)26-9-3-4-11-5-7-12(8-6-11)27-19-15(22)13(20)14(21)16(28-19)17(23)24/h5-8,10,13-16,19-22H,3-4,9H2,1-2H3,(H,23,24)