| —— | 
                                        2-benzyl-4-benzylidene-9-methyl-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-17-3 | 
                                        C26H20N2O2 | 
                                        392.457 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-Benzyl-9-methyl-4-(p-tolyl-hydrazono)-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-09-3 | 
                                        C26H22N4O2 | 
                                        422.486 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-Benzyl-4-[(4-chloro-phenyl)-hydrazono]-9-methyl-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-13-9 | 
                                        C25H19ClN4O2 | 
                                        442.904 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-Benzyl-9-methyl-4-(m-tolyl-hydrazono)-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-10-6 | 
                                        C26H22N4O2 | 
                                        422.486 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-Benzyl-4-[(4-methoxy-phenyl)-hydrazono]-9-methyl-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-11-7 | 
                                        C26H22N4O3 | 
                                        438.486 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-Benzyl-4-[1-(2-chloro-phenyl)-meth-(Z)-ylidene]-9-methyl-4,9-dihydro-β-carboline-1,3-dione | 
                                        60442-21-9 | 
                                        C26H19ClN2O2 | 
                                        426.902 |