| —— | 
                                        (R,S)-1-<2-acetoxymethyl-2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>ethoxy>uracil | 
                                        139177-42-7 | 
                                        C17H30N2O11P2 | 
                                        500.38 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R,S)-1-<2-acetoxymethyl-2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>ethoxy>thymine | 
                                        139177-43-8 | 
                                        C18H32N2O11P2 | 
                                        514.406 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-<2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>-2-hydroxymethylethoxy>uracil | 
                                        139177-46-1 | 
                                        C15H28N2O10P2 | 
                                        458.342 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R,S)-1-<2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>-2-(hydroxymethyl)ethoxy>cytosine | 
                                        139177-49-4 | 
                                        C15H29N3O9P2 | 
                                        457.357 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R,S)-1-<2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>-2-hydroxymethylethoxy>thymine | 
                                        139177-47-2 | 
                                        C16H30N2O10P2 | 
                                        472.369 | 
                                    
                                                                                                                                            
                                        | 膦酸,[[[[2-(乙酰氧基)-1-[[(6-氨基-9H-嘌呤-9-基)氧代]甲基]乙氧基]甲基]乙氧基氧膦基]甲基]-,二乙基酯 | 
                                        (R,S)-9-<2-acetoxymethyl-2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>ethoxy>adenine | 
                                        139211-47-5 | 
                                        C18H31N5O9P2 | 
                                        523.42 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R,S)-1-<2-acetoxymethyl-2-<(diethoxyphosphorylmethyl)(ethoxy)phosphorylmethoxy>ethoxy>-4-benzamidouracil | 
                                        139177-45-0 | 
                                        C24H35N3O11P2 | 
                                        603.503 |