InChI=1/C17H16N4O4/c1-11(22)20-8-7-12-9-14(5-6-16(12)20)19-17(23)18-13-3-2-4-15(10-13)21(24)25/h2-6,9-10H,7-8H2,1H3,(H2,18,19,23)/f/h18-19H 8B604CF472FDB292