InChI=1/C16H11N3O3/c20-16(10-1-3-12-13(7-10)18-6-5-17-12)19-11-2-4-14-15(8-11)22-9-21-14/h1-8H,9H2,(H,19,20)/f/h19H 828AC8DB26072C3C