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