InChI=1/C21H20N2O3/c1-14-7-3-5-9-17(14)20(24)16-11-18(22-13-16)21(25)23-12-15-8-4-6-10-19(15)26-2/h3-11,13,22H,12H2,1-2H3,(H,23,25)/f/h23H 056CE875CD130E64