| —— | 1,6-dimethyl-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid methylamide | 65897-27-0 | C12H17N3O2 | 235.286 | 
                                                                                                                                            
                                        | —— | 1,6-dimethyl-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid tert-butylamide | 108673-27-4 | C15H23N3O2 | 277.367 | 
                                                                                                                                            
                                        | —— | 1,6-dimethyl-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid phenethylamide | 64077-00-5 | C19H23N3O2 | 325.411 | 
                                                                                                                                            
                                        | —— | 1,6-dimethyl-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid 3,3-diphenyl-propylamide | 64076-98-8 | C26H29N3O2 | 415.535 | 
                                                                                                                                            
                                        | —— | 1,6-dimethyl-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid anilide | 86053-03-4 | C17H19N3O2 | 297.357 |