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