InChI=1/C17H16N4O4/c18-13-8-5-10(9-15(13)21(24)25)16(22)20-14-4-2-1-3-12(14)17(23)19-11-6-7-11/h1-5,8-9,11H,6-7,18H2,(H,19,23)(H,20,22)/f/h19-20H 4EC2B1028F50EB71