InChI=1S/C18H24O9/c1-3-11(19)12(8-9-4-6-10(25-2)7-5-9)26-18-15(22)13(20)14(21)16(27-18)17(23)24/h4-7,12-16,18,20-22H,3,8H2,1-2H3,(H,23,24)