| —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-(methanesulfonamido)pyrrolidine-2-carboxylate | 
                                        204072-72-0 | 
                                        C17H26N2O7S2 | 
                                        434.535 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-morpholin-4-ylpyrrolidine-2-carboxylate | 
                                        204072-91-3 | 
                                        C20H30N2O6S | 
                                        426.534 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[[(2S)-2-hydroxypropanoyl]amino]pyrrolidine-2-carboxylate | 
                                        1054650-29-1 | 
                                        C19H28N2O7S | 
                                        428.507 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[[(2S)-2-hydroxy-3-methylbutanoyl]amino]pyrrolidine-2-carboxylate | 
                                        1054622-99-9 | 
                                        C21H32N2O7S | 
                                        456.56 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-(1,1-dioxo-1,4-thiazinan-4-yl)pyrrolidine-2-carboxylate | 
                                        204072-93-5 | 
                                        C20H30N2O7S2 | 
                                        474.599 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[[(2S)-2-phenylmethoxypropanoyl]amino]pyrrolidine-2-carboxylate | 
                                        1055030-31-3 | 
                                        C26H34N2O7S | 
                                        518.631 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[[(2S)-3-methyl-2-phenylmethoxybutanoyl]amino]pyrrolidine-2-carboxylate | 
                                        1054619-53-2 | 
                                        C28H38N2O7S | 
                                        546.685 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[[(2S)-4-methyl-2-phenylmethoxypentanoyl]amino]pyrrolidine-2-carboxylate | 
                                        1053247-46-3 | 
                                        C29H40N2O7S | 
                                        560.712 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (2R,4S)-1-(4-butoxyphenyl)sulfonyl-4-[(1-methylimidazol-4-yl)sulfonylamino]pyrrolidine-2-carboxylate | 
                                        204072-73-1 | 
                                        C20H28N4O7S2 | 
                                        500.597 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (1n)-4-n-Butoxyphenylsulfonyl-(2r)-n-hydroxycarboxamido-(4s)-methanesulfonylamino-pyrrolidine | 
                                        —— | 
                                        C16H25N3O7S2 | 
                                        435.522 |