| —— | 
                                        (3aR,6R,6aR)-6-(methoxymethyl)-5-[(4-methoxyphenyl)methyl]-2,2-dimethyl-6,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrol-4-one | 
                                        137664-63-2 | 
                                        C17H23NO5 | 
                                        321.373 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3aR,6R,6aR)-6-(hydroxymethyl)-5-[(4-methoxyphenyl)methyl]-2,2-dimethyl-6,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrol-4-one | 
                                        137664-62-1 | 
                                        C16H21NO5 | 
                                        307.346 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3aR,6R,6aR)-5-(4-methoxybenzoyl)-6-(methoxymethyl)-2,2-dimethyl-6,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrol-4-one | 
                                        137664-66-5 | 
                                        C17H21NO6 | 
                                        335.357 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R,4R,5R)-1-(tert-butoxycarbonyl)-3,4-isopropylidenedioxy-5-methoxymethyl-2-pyrrolidinone | 
                                        137664-49-4 | 
                                        C14H23NO6 | 
                                        301.34 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3aR,6R,6aR)-6-(methoxymethyl)-2,2-dimethyl-3a,5,6,6a-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-4-one | 
                                        137683-86-4 | 
                                        C9H15NO4 | 
                                        201.222 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl N-[(1R)-1-[(4R,5R)-5-[[(3R)-3-[4-(hydroxymethyl)-1,3-oxazol-2-yl]butyl]carbamoyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methoxyethyl]carbamate | 
                                        137664-85-8 | 
                                        C22H37N3O8 | 
                                        471.551 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl 2-[(2R)-4-[[(4R,5R)-5-[(1R)-2-methoxy-1-[(2-methylpropan-2-yl)oxycarbonylamino]ethyl]-2,2-dimethyl-1,3-dioxolane-4-carbonyl]amino]butan-2-yl]-1,3-oxazole-4-carboxylate | 
                                        218784-99-7 | 
                                        C23H37N3O9 | 
                                        499.561 |