InChI=1S/C18H24O9/c1-10(8-25-12(19)7-11-5-3-2-4-6-11)9-26-18-15(22)13(20)14(21)16(27-18)17(23)24/h2-6,10,13-16,18,20-22H,7-9H2,1H3,(H,23,24)