| —— | 
                                        7-(4-(2-chloro-6-methylpyrimidin-4-yl)piperazin-1-yl)-1-ethyl-6,8-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid | 
                                        1293992-78-5 | 
                                        C21H20ClF2N5O3 | 
                                        463.871 | 
                                    
                                                                                                                                            
                                        | 1-乙基-4-氧代-6,8-二氟-7-哌嗪基-1,4-二氢喹啉-3-羧酸 | 
                                        8-fluoronorfloxacin | 
                                        99726-76-8 | 
                                        C16H17F2N3O3 | 
                                        337.326 | 
                                    
                                                                                                                                            
                                        | 1-乙基-6,7,8-三氟-1,4-二氢-4-氧代-3-喹啉甲酸乙酯 | 
                                        ethyl 1-ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate | 
                                        100501-62-0 | 
                                        C14H12F3NO3 | 
                                        299.249 | 
                                    
                                                                                                                                            
                                        | 1-乙基-6,7,8-三氟-1,4-二氢-4-氧代喹啉-2-羧酸 | 
                                        1-ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | 
                                        75338-42-0 | 
                                        C12H8F3NO3 | 
                                        271.196 | 
                                    
                                                                                                                                            
                                        | 6,7,8-三氟-1,4-二氢-4-氧代-3-喹啉羧酸乙酯 | 
                                        ethyl 6,7,8-trifluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate | 
                                        79660-46-1 | 
                                        C12H8F3NO3 | 
                                        271.196 |