InChI=1S/C18H30O9/c1-2-3-4-5-7-10-11(25-10)8-6-9-12(19)26-18-15(22)13(20)14(21)16(27-18)17(23)24/h10-11,13-16,18,20-22H,2-9H2,1H3,(H,23,24)