| 
                                 Acrotein 
                                A-0410 
                             | 
                            0.5g | 
                            $110 | 
                            Boc-(R)-2-Cyclopentylglycine  | 
                             | 
                        
                        
                            | 
                                 Acrotein 
                                A-0410 
                             | 
                            1g | 
                            $165 | 
                            Boc-(R)-2-Cyclopentylglycine  | 
                             | 
                        
                        
                            | 
                                 Activate Scientific 
                                AS86013 
                             | 
                            1g | 
                            $379 | 
                            Boc-(R)-2-Cyclopentylglycine  | 
                             | 
                        
                        
                            | 
                                 Activate Scientific 
                                AS86013 
                             | 
                            5G | 
                            $1040 | 
                            Boc-(R)-2-Cyclopentylglycine  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                W3406 
                             | 
                            5g | 
                            $2561 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                W3406 
                             | 
                            250mg | 
                            $353 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                W3406 
                             | 
                            1g | 
                            $563 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                W3406 
                             | 
                            100mg | 
                            $212 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                W3406 
                             | 
                            25mg | 
                            $131 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A501659 
                             | 
                            100mg | 
                            $79 | 
                            (R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid  | 
                             |