| 
                                 AK Scientific 
                                0077BA 
                             | 
                            50mg | 
                            $141 | 
                            2-Amino-4-phosphonobutyricacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                0077BA 
                             | 
                            100mg | 
                            $179 | 
                            2-Amino-4-phosphonobutyricacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                0077BA 
                             | 
                            250mg | 
                            $289 | 
                            2-Amino-4-phosphonobutyricacid  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                0077BA 
                             | 
                            500mg | 
                            $456 | 
                            2-Amino-4-phosphonobutyricacid  | 
                             | 
                        
                        
                            | 
                                 ApexBio Technology 
                                B6200 
                             | 
                            100mg | 
                            $153 | 
                            DL-AP4  | 
                             | 
                        
                        
                            | 
                                 Medical Isotopes, Inc. 
                                16153 
                             | 
                            500mg | 
                            $690 | 
                            (+/-)-2-Amino-4-PhosphonobutyricAcid  | 
                             | 
                        
                        
                            | 
                                 Sigma-Aldrich 
                                A1910 
                             | 
                            500mg | 
                            $740 | 
                            (±)-2-Amino-4-phosphonobutyric acid
		
	  | 
                             | 
                        
                        
                            | 
                                 Sigma-Aldrich 
                                A1910 
                             | 
                            1g | 
                            $1200 | 
                            (±)-2-Amino-4-phosphonobutyric acid
		
	  | 
                             | 
                        
                        
                            | 
                                 Sigma-Aldrich 
                                SAB1412649 
                             | 
                            50 μg | 
                            $541 | 
                            ANTI-TFAP4 antibody produced in mouse  | 
                             | 
                        
                        
                            | 
                                 Sigma-Aldrich 
                                SAB1412283 
                             | 
                            100 μg | 
                            $541 | 
                            ANTI-TFAP4 antibody produced in mouse  | 
                             |