InChI=1/C14H11N3O2/c18-10-7-5-9(6-8-10)16-17-13-11-3-1-2-4-12(11)15-14(13)19/h1-8,16,18H,(H,15,17,19)/p+1/fC14H12N3O2/h15,17H/q+1 DA2D2357D23C004E