| —— | 
                                        (3S)-3-[(2S,3S)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl]-3-methoxy-1-(4-nitrobenzoyl)indol-2-one | 
                                        1379767-92-6 | 
                                        C31H29N3O10 | 
                                        603.585 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[(2S,3S)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl]-3-methoxy-1-(4-nitrobenzoyl)indol-2-one | 
                                        1379767-91-5 | 
                                        C31H29N3O10 | 
                                        603.585 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3S)-3-[(2S,3S)-1-benzyl-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-4-oxoazetidin-3-yl]-3-methoxy-1-(4-nitrobenzoyl)indol-2-one | 
                                        1379767-95-9 | 
                                        C31H29N3O9 | 
                                        587.586 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[(2S,3S)-1-benzyl-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-4-oxoazetidin-3-yl]-3-methoxy-1-(4-nitrobenzoyl)indol-2-one | 
                                        1379767-93-7 | 
                                        C31H29N3O9 | 
                                        587.586 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-3-(allyloxy)-3-((2S,3S)-2-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl)-1-(4-nitrobenzoyl)indolin-2-one | 
                                        1379768-02-1 | 
                                        C33H31N3O10 | 
                                        629.623 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[(2S,3S)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl]-1-(4-nitrobenzoyl)-3-prop-2-enoxyindol-2-one | 
                                        1379768-01-0 | 
                                        C33H31N3O10 | 
                                        629.623 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-3-((2S,3S)-2-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl)-3-isopropoxy-1-(4-nitrobenzoyl)indolin-2-one | 
                                        1379768-05-4 | 
                                        C33H33N3O10 | 
                                        631.639 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[(2S,3S)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl]-1-(4-nitrobenzoyl)-3-propan-2-yloxyindol-2-one | 
                                        1379768-03-2 | 
                                        C33H33N3O10 | 
                                        631.639 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[(2S,3S)-1-benzyl-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-4-oxoazetidin-3-yl]-1-(4-nitrobenzoyl)-3-propan-2-yloxyindol-2-one | 
                                        1379768-07-6 | 
                                        C33H33N3O9 | 
                                        615.64 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-3-((2S,3S)-1-benzyl-2-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-3-hydroxy-4-oxoazetidin-3-yl)-3-isopropoxy-1-(4-nitrobenzoyl)indolin-2-one | 
                                        1379768-09-8 | 
                                        C33H33N3O9 | 
                                        615.64 |