InChI=1/C21H25N3O3/c25-21(19-7-4-8-20(15-19)24(26)27)22-12-9-17-10-13-23(14-11-17)16-18-5-2-1-3-6-18/h1-8,15,17H,9-14,16H2,(H,22,25)/p+1/fC21H26N3O3/h22-23H/q+1 40C5D591998C786D