InChI=1S/C17H22O8/c1-8(2)6-7-9-10(18)4-3-5-11(9)24-17-14(21)12(19)13(20)15(25-17)16(22)23/h3-6,12-15,17-21H,7H2,1-2H3,(H,22,23)