InChI=1/C14H11N3O/c15-9-5-7-10(8-6-9)16-13-11-3-1-2-4-12(11)17-14(13)18/h1-8H,15H2,(H,16,17,18)/p+2/fC14H13N3O/h15-17H/q+2 738E72BD56289B77