InChI=1/C13H12N4O/c14-13(11-6-3-4-8-15-11)17-16-9-10-5-1-2-7-12(10)18/h1-9,18H,(H2,14,17)/p+1/b16-9-/fC13H13N4O/h17H,14H2/q+1 28593C7CC7B267DE