InChI=1/C16H12N4O6/c21-14-15(22)19-13-9(5-11(20(25)26)6-12(13)18-14)7-17-10-3-1-2-8(4-10)16(23)24/h1-6,17H,7H2,(H,18,21)(H,19,22)(H,23,24)/p-1/fC16H11N4O6/h18-19H/q-1 16596672464E7BCA