| 
                                 Absolute Chiral 
                                O2250-00-N 
                             | 
                            1g | 
                            $48 | 
                            4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Acrotein 
                                AC-6361 
                             | 
                            25g | 
                            $1188 | 
                            4-(2,5-Dioxo-2,5-dihydropyrrol-1-yl)benzoicacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                5496AD 
                             | 
                            250mg | 
                            $25 | 
                            4-Maleimidobenzoic Acid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                5496AD 
                             | 
                            10g | 
                            $214 | 
                            4-Maleimidobenzoic Acid  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                17057044 
                             | 
                            5g | 
                            $240.57 | 
                            4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                17057044 
                             | 
                            25g | 
                            $714.42 | 
                            4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A1483775 
                             | 
                            100g | 
                            $1144 | 
                            4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A251871 
                             | 
                            100g | 
                            $1144 | 
                            4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A251871 
                             | 
                            25g | 
                            $341 | 
                            4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A1483775 
                             | 
                            25g | 
                            $425 | 
                            4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid  | 
                             |