| —— | 
                                        ethyl 6-fluoro-7-acetyl-1-ethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate | 
                                        91188-87-3 | 
                                        C16H16FNO4 | 
                                        305.306 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-(bromoacetyl)-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, ethyl ester | 
                                        91188-37-3 | 
                                        C16H15BrFNO4 | 
                                        384.202 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-[2-[2-(dimethylamino)ethanimidoyl]sulfanylacetyl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-34-7 | 
                                        C20H24FN3O4S | 
                                        421.493 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 1-ethyl-6-fluoro-7-(2-methyl-1,3-thiazol-4-yl)-4-oxoquinoline-3-carboxylate | 
                                        115173-02-9 | 
                                        C18H17FN2O3S | 
                                        360.409 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-[2-(dimethylamino)-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-07-4 | 
                                        C19H20FN3O3S | 
                                        389.451 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-(2-amino-1,3-thiazol-4-yl)-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-01-8 | 
                                        C17H16FN3O3S | 
                                        361.397 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 1-ethyl-6-fluoro-7-(2-morpholin-4-yl-1,3-thiazol-4-yl)-4-oxoquinoline-3-carboxylate | 
                                        115173-09-6 | 
                                        C21H22FN3O4S | 
                                        431.488 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-[2-(2-acetamidoethyl)-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-06-3 | 
                                        C21H22FN3O4S | 
                                        431.488 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 7-[2-(acetamidomethyl)-4-thiazolyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylate | 
                                        91188-38-4 | 
                                        C20H20FN3O4S | 
                                        417.461 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-[1-(N-acetylamino)ethyl]-4-thiazolyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester | 
                                        91188-52-2 | 
                                        C21H22FN3O4S | 
                                        431.488 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        1-ethyl-6-fluoro-7-[2-(N-acetyl-N-methylaminomethyl)-4-thiazolyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester | 
                                        91188-41-9 | 
                                        C21H22FN3O4S | 
                                        431.488 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-ethyl-7-[2-[(N-acetyl-N-ethylamino)methyl]-4-thiazolyl]-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester | 
                                        91188-44-2 | 
                                        C22H24FN3O4S | 
                                        445.515 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-[2-[[acetyl(propyl)amino]methyl]-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-03-0 | 
                                        C23H26FN3O4S | 
                                        459.542 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 1-ethyl-6-fluoro-4-oxo-7-(2-pyridin-3-yl-1,3-thiazol-4-yl)quinoline-3-carboxylate | 
                                        115173-08-5 | 
                                        C22H18FN3O3S | 
                                        423.468 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        Ethyl 7-[2-(4-ethoxycarbonylpiperazin-1-yl)-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylate | 
                                        115173-10-9 | 
                                        C24H27FN4O5S | 
                                        502.567 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-7-(2-morpholin-4-yl-1,3-thiazol-4-yl)-4-oxoquinoline-3-carboxylic acid | 
                                        115173-26-7 | 
                                        C19H18FN3O4S | 
                                        403.434 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-(Dimethylamino)thiazol-4-yl]-1-ethyl-6-fluoro-4-oxo-quinoline-3-carboxylic acid | 
                                        115173-24-5 | 
                                        C17H16FN3O3S | 
                                        361.397 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-(2-Aminothiazol-4-yl)-1-ethyl-6-fluoro-4-oxo-quinoline-3-carboxylic acid | 
                                        115173-19-8 | 
                                        C15H12FN3O3S | 
                                        333.343 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-7-(2-methylthiazol-4-yl)-4-oxo-quinoline-3-carboxylic acid | 
                                        115173-20-1 | 
                                        C16H13FN2O3S | 
                                        332.355 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-(2-Aminoethyl)-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylic acid | 
                                        115173-23-4 | 
                                        C17H16FN3O3S | 
                                        361.397 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                        | —— | 
                                        7-[2-(1-aminoethyl)-4-thiazolyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | 
                                        91188-53-3 | 
                                        C17H16FN3O3S | 
                                        361.397 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-(Aminomethyl)-4-thiazolyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | 
                                        91188-39-5 | 
                                        C16H14FN3O3S | 
                                        347.37 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-4-oxo-7-(2-piperazin-1-yl-1,3-thiazol-4-yl)quinoline-3-carboxylic acid | 
                                        115173-27-8 | 
                                        C19H19FN4O3S | 
                                        402.449 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-(Methylaminomethyl)-4-thiazolyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | 
                                        91188-42-0 | 
                                        C17H16FN3O3S | 
                                        361.397 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-7-[2-[(2-hydroxyethylamino)methyl]-1,3-thiazol-4-yl]-4-oxoquinoline-3-carboxylic acid | 
                                        91188-50-0 | 
                                        C18H18FN3O4S | 
                                        391.423 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        7-[2-[(Dimethylamino)methyl]-1,3-thiazol-4-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylic acid | 
                                        115173-39-2 | 
                                        C18H18FN3O3S | 
                                        375.424 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-7-[2-(ethylaminomethyl)-1,3-thiazol-4-yl]-6-fluoro-4-oxoquinoline-3-carboxylic acid | 
                                        91188-46-4 | 
                                        C18H18FN3O3S | 
                                        375.424 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-4-oxo-7-[2-(propylaminomethyl)-1,3-thiazol-4-yl]quinoline-3-carboxylic acid | 
                                        115173-38-1 | 
                                        C19H20FN3O3S | 
                                        389.451 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-Ethyl-6-fluoro-4-oxo-7-(2-pyridin-3-yl-1,3-thiazol-4-yl)quinoline-3-carboxylic acid | 
                                        115173-25-6 | 
                                        C20H14FN3O3S | 
                                        395.414 |