| —— | 
                                        ethyl 2-{[(7-{[(4-cyanophenyl)carbonyl]amino}-2,4-dimethyl-2H-1,4-benzoxazin-3(4H)-on-2-yl)carbonyl]amino}acetate | 
                                        847671-49-2 | 
                                        C23H22N4O6 | 
                                        450.451 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 2-({[7-({4-[amino(hydroxyimino)methyl]benzoyl}amino)-2,4-dimethyl-2H-1,4-benzoxazin-3(4H)-on-2-yl)carbonyl]amino}acetate | 
                                        847671-51-6 | 
                                        C23H25N5O7 | 
                                        483.481 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 2-{[(7-amino-2,4-dimethyl-2H-1,4-benzoxazin-3(4H)-on-2-yl)carbonyl]amino}acetate | 
                                        847671-47-0 | 
                                        C15H19N3O5 | 
                                        321.333 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 2-{[(2,4-dimethyl-7-nitro-2H-1,4-benzoxazin-3(4H)-on-2-yl)carbonyl]amino}acetate | 
                                        847671-45-8 | 
                                        C15H17N3O7 | 
                                        351.316 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 2,4-dimethyl-7-nitro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate | 
                                        847671-40-3 | 
                                        C13H14N2O6 | 
                                        294.264 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2,4-dimethyl-7-nitro-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid | 
                                        386214-81-9 | 
                                        C11H10N2O6 | 
                                        266.21 | 
                                    
                                                                                                                                            
                                        | 2-甲基-7-硝基-3-氧代-4H-1,4-苯并恶嗪-2-羧酸乙酯 | 
                                        3,4-dihydro-2-methyl-7-nitro-3-oxo-2H-1,4-benzoxazine-2-carboxylic acid ethyl ester | 
                                        154365-36-3 | 
                                        C12H12N2O6 | 
                                        280.237 |