Purine
                            Order
                            113418-57-8
                            
                                1H-Purine-2,6-dione,7-[3-[4-[bis(4-fluorophenyl)methoxy]-1-piperidinyl]propyl]-3,7-dihydro-1,3-dimethyl-
                            
                        
                        
                            Order
                            62637-11-0
                            
                                1H-Purine-2,6-dione, 7-[2-(dimethylamino)ethyl]-3,7-dihydro-3-methyl-,monohydrochloride
                            
                        
                        
                        
                        
                            Order
                            62636-97-9
                            
                                1H-Purine-2,6-dione,7-(2,3-dihydroxypropyl)-1-[2-(dimethylamino)ethyl]-3,7-dihydro-3-methyl-
                            
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            62637-10-9
                            
                                1H-Purine-2,6-dione,7-(2,3-dihydroxypropyl)-1-[2-(dimethylamino)ethyl]-3,7-dihydro-3-methyl-, dihydrochloride
                            
                        
                        
                        
                        
                        
                            Order
                            61927-11-5
                            
                                1H-Purine-2,6-dione,3,7-dihydro-7-[2-hydroxy-3-(4-methyl-1-piperazinyl)propyl]-1,3-dimethyl-
                            
                        
                        
                        
                            Order
                            33120-34-2
                            
                                1H-Purine-2,6-dione,8-[[2-(diphenylmethoxy)ethyl]methylamino]-3,7-dihydro-1,3-dimethyl-
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            113418-58-9
                            
                                1H-Purine-2,6-dione,7-[2-[4-(diphenylmethoxy)-1-piperidinyl]ethyl]-3,7-dihydro-1,3-dimethyl-