| 
                                 Alichem 
                                603009 
                             | 
                            25g | 
                            $191.9 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione  | 
                             | 
                        
                        
                            | 
                                 Alichem 
                                603009 
                             | 
                            100g | 
                            $539.55 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A325694 
                             | 
                            100mg | 
                            $5 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A325694 
                             | 
                            1g | 
                            $11 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A325694 
                             | 
                            5g | 
                            $32 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione  | 
                             | 
                        
                        
                            | 
                                 Ambeed 
                                A325694 
                             | 
                            25g | 
                            $105 | 
                            7-(2-Hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione  | 
                             | 
                        
                        
                            | 
                                 American Custom Chemicals Corporation 
                                CHM0013160 
                             | 
                            10MG | 
                            $679.14 | 
                            PROXYPHYLLINE  | 
                             | 
                        
                        
                            | 
                                 American Custom Chemicals Corporation 
                                CHM0013160 
                             | 
                            100MG | 
                            $1612.96 | 
                            PROXYPHYLLINE  | 
                             | 
                        
                        
                            | 
                                 ApexBio Technology 
                                C3278 
                             | 
                            1g | 
                            $80 | 
                            Proxyphylline  | 
                             | 
                        
                        
                            | 
                                 ApexBio Technology 
                                C3278 
                             | 
                            10mM(in 1mL DMSO) | 
                            $42 | 
                            Proxyphylline  | 
                             |