InChI=1/C20H23N3O3/c21-19(24)17-6-1-2-7-18(17)26-13-8-15-4-3-5-16(14-15)20(25)23-11-9-22-10-12-23/h1-7,14,22H,8-13H2,(H2,21,24)/p+1/fC20H24N3O3/h22H,21H2/q+1 DAAD54F39AB7223E