InChI=1/C17H16N4O2/c18-11-6-7-15(14(19)9-11)20-12-3-1-4-13(10-12)21-17(22)16-5-2-8-23-16/h1-10,20H,18-19H2,(H,21,22)/f/h21H 2A4B2F3CEC83CD76