InChI=1/C14H13N3O2/c1-15-13-7-6-10(8-16-13)9-17-11-4-2-3-5-12(11)19-14(17)18/h2-8H,9H2,1H3,(H,15,16)/p+1/fC14H14N3O2/h15-16H/q+1 5EBF9B140FD20B76