| —— | 
                                        10-[(4-Methoxyphenyl)methyl]-5,5-dimethyl-1,4-dihydropyrazolo[3,4-a]carbazole-7-carboxylic acid | 
                                        1426078-87-6 | 
                                        C24H23N3O3 | 
                                        401.465 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 10-[(4-methoxyphenyl)methyl]-5,5-dimethyl-1,4-dihydropyrazolo[3,4-a]carbazole-7-carboxylate | 
                                        1426078-86-5 | 
                                        C26H27N3O3 | 
                                        429.519 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Methyl 9-[(4-methoxyphenyl)methyl]-5,5-dimethyl-8-oxo-6,7-dihydrocarbazole-3-carboxylate | 
                                        1424995-11-8 | 
                                        C24H25NO4 | 
                                        391.467 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-formyl-9-[(4-methoxyphenyl)methyl]-5,5-dimethyl-8-oxo-6,7-dihydrocarbazole-3-carboxylate | 
                                        1426078-85-4 | 
                                        C26H27NO5 | 
                                        433.504 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Methyl 4,4-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-carbazole-6-carboxylate | 
                                        1424995-10-7 | 
                                        C16H17NO3 | 
                                        271.316 | 
                                    
                                                                                                                                            
                                        | 2,3,4,9-四氢-4,4-二甲基-1-氧代-1H-咔唑-6-羧酸 | 
                                        4,4-Dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-carbazole-6-carboxylic acid | 
                                        1424995-09-4 | 
                                        C15H15NO3 | 
                                        257.289 |