InChI=1S/C18H24O9/c1-9(2)8-25-12(19)7-10-4-3-5-11(6-10)26-18-15(22)13(20)14(21)16(27-18)17(23)24/h3-6,9,13-16,18,20-22H,7-8H2,1-2H3,(H,23,24)