InChI=1/C17H12N4O5/c22-13-6-7-14(23)21(13)11-4-1-3-10(9-11)15(24)18-17-20-19-16(26-17)12-5-2-8-25-12/h1-5,8-9H,6-7H2,(H,18,20,24)/f/h18H 15C75470DF2FC490