InChI=1/C21H22N2O2/c1-16(23-14-19-6-2-3-7-21(19)24)18-8-10-20(11-9-18)25-15-17-5-4-12-22-13-17/h2-13,16,23-24H,14-15H2,1H3/p+1/t16-/m1/s1/fC21H23N2O2/h23H/q+1 E6C29E5B966C66ED