| l-α-Acetylmethadol Hydrochloride | 
                                            
                                                
                                                    | α-(-)-Acetylmethadol Hydrochloride | 
                                            
                                                
                                                    | (-)-6-(Dimethylamino)-4,4-diphenyl-3-heptanol Acetate (Ester) Hydrochloride | 
                                            
                                                
                                                    | (-)-α-Acetylmethadol | 
                                            
                                                
                                                    | levomethadyl acetate hydrochloride | 
                                            
                                                
                                                    | (3S,6S)-(-)- 6-(Dimethylamino)-4,4-diphenyl-3-heptanol Acetate (Ester) Hydrochloride | 
                                            
                                                
                                                    | (αS)-β-[(2S)-2-(Dimethylamino)propyl]-α-ethyl-β-phenylbenzeneethanol Acetate (Ester) Hydrochloride | 
                                            
                                                
                                                    | Hydrochloride LAAM | 
                                            
                                                
                                                    | Levacetylmethadol Hydrochloride | 
                                            
                                                
                                                    | Levo-α-acetylmethadol Hydrochloride | 
                                            
                                                
                                                    | Levomethadyl Hydrochloride |