| —— | N-[5'-O-(4,4'-dimethoxytrityl)-3'-amino-3'-deoxythymidin-3'-yl]-O-(3'-O-acetylthymidin-5'-yl)-methanephosphonamidate | 211575-74-5 | C44H50N5O13P | 887.88 | 
                                                                                                                                            
                                        | —— | 3'-amino-5'-(4,4'-dimethoxytrityl)-3'-deoxythymidine | —— | C31H33N3O6 | 543.62 | 
                                                                                                                                            
                                        | —— | (2R,3S,5R)-2-((((diisopropylamino)(methyl)phosphaneyl)oxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl acetate | 439113-12-9 | C19H32N3O6P | 429.453 | 
                                                                                                                                            
                                        | —— | Acetic acid (2R,3S,5R)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-methylphosphinoyloxymethyl-tetrahydro-furan-3-yl ester | 439113-14-1 | C13H19N2O7P | 346.277 | 
                                                                                                                                            
                                        | —— | 3'-O-acetylthymidine | 21090-30-2 | C12H16N2O6 | 284.269 |