InChI=1/C14H11NO5/c1-8-2-4-9(5-3-8)13(17)10-6-11(15(19)20)14(18)12(16)7-10/h2-7,16,18H,1H3/p-1/fC14H10NO5/h18h/q-1	9E4C0B2F4FC6AE88