InChI=1/C21H20N2O3/c24-19-18(13-15-9-6-8-14-7-4-5-12-17(14)15)20(25)23(21(26)22-19)16-10-2-1-3-11-16/h4-9,12-13,16H,1-3,10-11H2,(H,22,24,26)/b18-13-/f/h22H	670D8F17C395A418