InChI=1/C14H18O7/c1-19-10-6-8(7-11(20-2)13(10)21-3)9(14(17)18)4-5-12(15)16/h6-7,9H,4-5H2,1-3H3,(H,15,16)(H,17,18)/p-2/t9-/m0/s1/fC14H16O7/q-2 E081285BC64DB546