InChI=1/C21H14N2O3/c24-21(13-9-10-18-19(11-13)26-12-25-18)23-22-20-16-7-3-1-5-14(16)15-6-2-4-8-17(15)20/h1-11H,12H2,(H,23,24)/f/h23H 5B060D9917F39090