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