InChI=1/C15H12N4O5/c1-8-6-10(19-24-8)13(20)16-15-18-17-14(23-15)9-2-3-11-12(7-9)22-5-4-21-11/h2-3,6-7H,4-5H2,1H3,(H,16,18,20)/f/h16H 3C4DF0BBF7A3F513