| —— | 
                                        (4-nitrophenyl)methyl (2S,4R)-2-[(3S,4S)-3,4-dihydroxypyrrolidine-1-carbonyl]-4-sulfanylpyrrolidine-1-carboxylate | 
                                        248604-64-0 | 
                                        C17H21N3O7S | 
                                        411.436 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (4-nitrophenyl)methyl (2S,4R)-2-[(3R,4R)-3,4-dihydroxypyrrolidine-1-carbonyl]-4-sulfanylpyrrolidine-1-carboxylate | 
                                        248604-65-1 | 
                                        C17H21N3O7S | 
                                        411.436 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (4R,5S,6S)-3-[(3R,5S)-5-((3R,4R)-3,4-Dihydroxy-pyrrolidine-1-carbonyl)-1-(4-nitro-benzyloxycarbonyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester | 
                                        248604-57-1 | 
                                        C34H37N5O13S | 
                                        755.759 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (4R,5S,6S)-3-[(3R,5S)-5-((3S,4S)-3,4-Dihydroxy-pyrrolidine-1-carbonyl)-1-(4-nitro-benzyloxycarbonyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester | 
                                        248604-56-0 | 
                                        C34H37N5O13S | 
                                        755.759 |