InChI=1/C14H13N3O3/c18-14(16-10-3-5-15-6-4-10)17-11-1-2-12-13(9-11)20-8-7-19-12/h1-6,9H,7-8H2,(H2,15,16,17,18)/f/h16-17H A77FB862B484ED3D