InChI=1/C17H15N3O2/c21-10-11-4-6-12(7-5-11)16-19-14-3-1-2-13-15(14)20(16)9-8-18-17(13)22/h1-7,21H,8-10H2,(H,18,22)/f/h18H 5C52C5EDBAAE08A1