InChI=1S/C19H26O9/c1-3-12(18(25)26-9-10(2)11-7-5-4-6-8-11)27-19-15(22)13(20)14(21)16(28-19)17(23)24/h4-8,10,12-16,19-22H,3,9H2,1-2H3,(H,23,24)