InChI=1/C16H13N5O5/c1-21-12-9(13(23)18-16(21)26)6-7-10(17-12)15(25)20-19-14(24)8-4-2-3-5-11(8)22/h2-7,22H,1H3,(H,19,24)(H,20,25)(H,18,23,26)/p-1/fC16H12N5O5/h19-20H/q-1 D1E4A35783888830