| —— | ethyl 1,2-difluoro-4-oxo-4H-quino<2,3,4-i,j><1,4>benoxazine-5-carboxylate | 100828-10-2 | C18H11F2NO4 | 343.286 | 
                                                                                                                                            
                                        | —— | 1,2-difluoro-4-oxo-4H-quino<2,3,4-i,j><1,4>benoxazine-5-carboxylic acid | 100828-11-3 | C16H7F2NO4 | 315.233 | 
                                                                                                                                            
                                        | —— | ethyl 1-(3-acetamidopyrrolidin-1-yl)-2-fluoro-4-oxo-4H-quino<2,3,4-i,j><1,4>benoxazine-5-carboxylate | 111783-53-0 | C24H22FN3O5 | 451.454 | 
                                                                                                                                            
                                        | —— | 1-piperazin-1-yl-2-fluoro-4-oxo-4H-quino<2,3,4-i,j><1,4>benoxazine-5-carboxylic acid | 100828-12-4 | C20H16FN3O4 | 381.363 | 
                                                                                                                                            
                                        | —— | 1-(4-methylpiperazin-1-yl)-2-fluoro-4-oxo-4H-quino<2,3,4-i,j><1,4>benoxazine-5-carboxylic acid | 111783-52-9 | C21H18FN3O4 | 395.39 |