| —— | 
                                        tert-butyl (2S)-2-[(9-phenyl-9-fluorenyl)amino]-4-oxobutanoate | 
                                        215182-76-6 | 
                                        C27H27NO3 | 
                                        413.516 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2S)-tert-butyl 2-[N-(9-(9-phenylfluorenyl))amino]-4-hydroxybutanoate | 
                                        215182-75-5 | 
                                        C27H29NO3 | 
                                        415.532 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-phenylfluorenyl)-3-methyl-L-aspartic acid α-tert-butyl β-methyl diester | 
                                        1094673-91-2 | 
                                        C29H31NO4 | 
                                        457.569 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (2S,3S)-2-<(9-phenylfluorenyl)amino>-3-methyl-4-hydroxybutanoate | 
                                        120230-46-8 | 
                                        C28H31NO3 | 
                                        429.559 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (2S,3R)-2-<(9-phenylfluorenyl)amino>-3-methyl-4-hydroxybutanoate | 
                                        120230-47-9 | 
                                        C28H31NO3 | 
                                        429.559 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-4-methoxy-4-oxo-2-((9-phenyl-9H-fluoren-9-yl)amino)butanoic acid | 
                                        126218-06-2 | 
                                        C24H21NO4 | 
                                        387.435 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-Phenylfluorenyl)-L-g-O-methyl-b,b-dimethylaspartate tert-butyl este | 
                                        858034-74-9 | 
                                        C30H33NO4 | 
                                        471.596 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (5S)-6-[(2-methylpropan-2-yl)oxy]-6-oxo-5-[(9-phenylfluoren-9-yl)amino]hexanoic acid | 
                                        215182-79-9 | 
                                        C29H31NO4 | 
                                        457.569 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-tert-Butyl 6-methyl (S)-2-[N-(9-phenylfluoren-9-yl)amino]hexandioate | 
                                        147698-06-4 | 
                                        C30H33NO4 | 
                                        471.596 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (2S)-4-hydroxy-6-oxo-2-[(9-phenylfluoren-9-yl)amino]heptanoate | 
                                        221690-33-1 | 
                                        C30H33NO4 | 
                                        471.596 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        tert-butyl (E,2S)-6-oxo-2-[(9-phenylfluoren-9-yl)amino]hept-4-enoate | 
                                        221690-47-7 | 
                                        C30H31NO3 | 
                                        453.581 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (2S)-4-hydroxy-6-oxo-2-[(9-phenylfluoren-9-yl)amino]nonanoate | 
                                        221690-30-8 | 
                                        C32H37NO4 | 
                                        499.65 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-O-tert-butyl 1-O-methyl (E,5S)-5-[(9-phenylfluoren-9-yl)amino]hex-2-enedioate | 
                                        215182-78-8 | 
                                        C30H31NO4 | 
                                        469.58 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (E,2S)-6-oxo-2-[(9-phenylfluoren-9-yl)amino]non-4-enoate | 
                                        221690-45-5 | 
                                        C32H35NO3 | 
                                        481.635 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (E,2S)-7-methyl-6-oxo-2-[(9-phenylfluoren-9-yl)amino]oct-4-enoate | 
                                        221690-42-2 | 
                                        C32H35NO3 | 
                                        481.635 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-4-Hydroxy-7-methyl-6-oxo-2-(9-phenyl-9H-fluoren-9-ylamino)-octanoic acid tert-butyl ester | 
                                        221690-27-3 | 
                                        C32H37NO4 | 
                                        499.65 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (E,2S)-7,7-dimethyl-6-oxo-2-[(9-phenylfluoren-9-yl)amino]oct-4-enoate | 
                                        221690-40-0 | 
                                        C33H37NO3 | 
                                        495.662 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (S)-4-Hydroxy-7,7-dimethyl-6-oxo-2-(9-phenyl-9H-fluoren-9-ylamino)-octanoic acid tert-butyl ester | 
                                        221690-25-1 | 
                                        C33H39NO4 | 
                                        513.677 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2S,5E,8S)-di-tert-butyl 4-oxo-2,8-bis-[N-(9-(9-phenylfluorenyl))amino]non-5-enedioate | 
                                        215182-85-7 | 
                                        C55H54N2O5 | 
                                        823.044 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl (E,2S)-6-oxo-6-phenyl-2-[(9-phenylfluoren-9-yl)amino]hex-4-enoate | 
                                        221690-51-3 | 
                                        C35H33NO3 | 
                                        515.652 |