| —— | 
                                        methyl (2R)-2-[(4S,5R)-5-[(1S)-1-acetamido-2-[tert-butyl(diphenyl)silyl]oxyethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-2-phenylmethoxyacetate | 
                                        139260-90-5 | 
                                        C35H45NO7Si | 
                                        619.83 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R)-{(4S,5R)-5-[(S)-1-Azido-2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-benzyloxy-acetic acid methyl ester | 
                                        139260-89-2 | 
                                        C33H41N3O6Si | 
                                        603.791 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R)-Benzyloxy-{(4S,5R)-5-[(R)-2-(tert-butyl-diphenyl-silanyloxy)-1-hydroxy-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-acetic acid methyl ester | 
                                        139260-88-1 | 
                                        C33H42O7Si | 
                                        578.778 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R)-2-[(4R,5R)-5-[(1R)-2-[tert-butyl(diphenyl)silyl]oxy-1-hydroxyethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-2-hydroxyacetate | 
                                        139260-87-0 | 
                                        C26H36O7Si | 
                                        488.653 |