| —— | 
                                        2S*,3R*,4S*-4-t-Butylamino-1,1-dimethoxy-9-methyl-1,2,3,4-tetrahydrocarbazol-2,3-dicarbonsaeure-N-(4-methylphenyl)imid | 
                                        125488-24-6 | 
                                        C28H33N3O4 | 
                                        475.588 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3R*,4S*-4-t-Butylamino-1-methoxy-9-methyl-3,4-dihydrocarbazol-2,3-dicarbonsaeure-N-(4-methylphenyl)imid | 
                                        125488-22-4 | 
                                        C27H29N3O3 | 
                                        443.546 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2S*,3R*,4S*-1-Benzylimino-4-t-butylamino-9-methyl-1,2,3,4-tetrahydrocarbazol-2,3-dicarbonsaeure-N-(4-methylphenyl)imid | 
                                        125488-23-5 | 
                                        C33H34N4O2 | 
                                        518.659 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2S*,3R*,4S*-4-t-Butylamino-9-methyl-1-oxo-1,2,3,4-tetrahydrocarbazol-2,3-dicarbonsaeure-N-(4-methylphenyl)imid | 
                                        125488-26-8 | 
                                        C26H27N3O3 | 
                                        429.519 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Methoxy-9-methyl-carbazol-2,3-dicarbonsaeure-N-(4-methylphenyl)imid | 
                                        125488-19-9 | 
                                        C23H18N2O3 | 
                                        370.408 |