InChI=1/C21H20N2O/c22-21(23)20-9-8-18-13-17(6-7-19(18)14-20)5-4-15-2-1-3-16(12-15)10-11-24/h1-9,12-14,24H,10-11H2,(H3,22,23)/p+1/b5-4+/fC21H21N2O/h22-23H2/q+1 5FF0A06C59B8250E