InChI=1/C16H11N3O/c20-16-11(9-10-5-1-2-6-12(10)19-16)15-17-13-7-3-4-8-14(13)18-15/h1-9H,(H,17,18)(H,19,20)/f/h17,19H 2D0C5B8C978624D3