InChI=1/C21H20N2O2/c22-18(15-16-9-3-1-4-10-16)21(24)23-19-13-7-8-14-20(19)25-17-11-5-2-6-12-17/h1-14,18H,15,22H2,(H,23,24)/p+1/t18-/m1/s1/fC21H21N2O2/h22-23H/q+1 D6FD487304E8852B