| Sandoptal-d5 | 
                                            
                                                
                                                    | 5-(Allyl-d5)-5-(2-methylpropyl)barbituric Acid | 
                                            
                                                
                                                    | Alisobumal-d5 | 
                                            
                                                
                                                    | 5-(2-Methylpropyl)-5-(2-propen-1-yl-d5)-2,4,6(1H,3H,5H)-pyrimidinetrione | 
                                            
                                                
                                                    | Isobutylallylbarturic Acid-d5 | 
                                            
                                                
                                                    | Fioricet-d5 | 
                                            
                                                
                                                    | 5-(Allyl-d5)-5-isobutylbarbituric Acid | 
                                            
                                                
                                                    | 5-(Allyl-d5)-5-(2'-methyl-n-propyl)barbituric Acid | 
                                            
                                                
                                                    | Allylbarbital-d5 | 
                                            
                                                
                                                    | Allylbarbitone-d5 | 
                                            
                                                
                                                    | Allylisobutylbarbital-d5 | 
                                            
                                                
                                                    | Allylisobutylbarbituric Acid-d5 | 
                                            
                                                
                                                    | Butalbarbital-d5 | 
                                            
                                                
                                                    | Isobutylallylbarbituric Acid-d5 | 
                                            
                                                
                                                    | Itobarbital-d5 | 
                                            
                                                
                                                    | Tetrallobarbital-d5 |