InChI=1/C16H16N4O5/c1-2-7-17-14(21)10-18-15(22)16(23)19-8-3-4-11-9-12(20(24)25)5-6-13(11)19/h1,5-6,9H,3-4,7-8,10H2,(H,17,21)(H,18,22)/f/h17-18H 6ABC7FFE9ADE92E1