InChI=1/C21H16N2O2/c1-14-6-8-16(9-7-14)20-23-19(21(24)25-20)13-22-18-11-10-15-4-2-3-5-17(15)12-18/h2-13,22H,1H3/b19-13+	021C221963EE728C