InChI=1/C15H11NO5/c17-13(11-4-2-1-3-5-11)7-6-10-8-12(16(20)21)15(19)14(18)9-10/h1-9,18-19H/p-1/b7-6+/fC15H10NO5/h19h/q-1	68016A35CDEAF7A9