InChI=1/C14H12N2O2/c1-2-18-14(17)12-7-10-9-5-3-4-6-11(9)16-13(10)8-15-12/h3-8,16H,2H2,1H3/p+1/fC14H13N2O2/h15H/q+1 F3B93B74E18B1F8B