| —— | 
                                        (2R,3aR,6aR)-2-((3S)-3-methoxytetrahydro-2H-pyran-4-ylamino)octahydropentalene-3a-carboxylic acid | 
                                        1461685-52-8 | 
                                        C15H25NO4 | 
                                        283.368 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2R,3aR,6aR)-2-(2,2,2-trifluoro-N-((3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl)acetamido)octahydropentalene-3a-carboxylic acid | 
                                        1461685-59-5 | 
                                        C17H24F3NO5 | 
                                        379.376 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,5-anhydro-3-{[(2R,3aR,6aR)-3a-{[(1S,4S)-5-carboxy-2,5-diazabicyclo[2.2.1]hept-2-yl]carbonyl}octahydropentalen-2-yl]amino}-2,3-dideoxy-4-O-methyl-D-erythro-pentitol | 
                                        1461686-14-5 | 
                                        C21H33N3O5 | 
                                        407.51 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,5-anhydro-3-{[(2R,3aR,6aR)-3a-{[(1S,4S)-5-(tert-butoxycarbonyl)-2,5-diazabicyclo[2.2.1]hept-2-yl]carbonyl}octahydropentalen-2-yl]amino}-2,3-dideoxy-4-O-methyl-D-erythro-pentitol | 
                                        1461688-12-9 | 
                                        C25H41N3O5 | 
                                        463.618 |