InChI=1/C13H12N4O4/c1-17-11(12(14)18)8(5-15-17)16-13(19)7-2-3-9-10(4-7)21-6-20-9/h2-5H,6H2,1H3,(H2,14,18)(H,16,19)/f/h16H,14H2	72D7E076E50A1544