InChI=1S/C18H24O8/c1-9(2)12(19)8-5-10-3-6-11(7-4-10)25-18-15(22)13(20)14(21)16(26-18)17(23)24/h3-4,6-7,9,13-16,18,20-22H,5,8H2,1-2H3,(H,23,24)