| —— | 
                                        4-[1-(2-Methyl-4-oxo-3,4-dihydro-quinazolin-6-ylamino)-ethyl]-benzoic acid | 
                                        133446-84-1 | 
                                        C18H17N3O3 | 
                                        323.351 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-{1-[Methyl-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-amino]-ethyl}-benzoic acid methyl ester | 
                                        133446-85-2 | 
                                        C20H21N3O3 | 
                                        351.405 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (RS)-4-<1-ethyl>benzoic acid | 
                                        133446-86-3 | 
                                        C19H19N3O3 | 
                                        337.378 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-2-{4-[1-(2-Methyl-4-oxo-3,4-dihydro-quinazolin-6-ylamino)-ethyl]-benzoylamino}-pentanedioic acid | 
                                        133446-55-6 | 
                                        C23H24N4O6 | 
                                        452.467 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-2-{4-[1-(2-Methyl-4-oxo-3,4-dihydro-quinazolin-6-ylamino)-ethyl]-benzoylamino}-pentanedioic acid diethyl ester | 
                                        133447-13-9 | 
                                        C27H32N4O6 | 
                                        508.574 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-2-(4-{1-[Methyl-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-amino]-ethyl}-benzoylamino)-pentanedioic acid | 
                                        133446-56-7 | 
                                        C24H26N4O6 | 
                                        466.494 |