| —— | 
                                        4,4-dioxo-1,4-dihydro-4λ6-benzo[1,3,4]thiadiazine-3-carboxylic acid ethyl ester | 
                                        68192-38-1 | 
                                        C10H10N2O4S | 
                                        254.266 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-methyl-4,4-dioxo-1,4-dihydro-4λ6-benzo[1,3,4]thiadiazine-3-carboxylic acid ethyl ester | 
                                        68192-42-7 | 
                                        C11H12N2O4S | 
                                        268.293 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4,4-dioxo-1,4-dihydro-4λ6-benzo[1,3,4]thiadiazine-3-carboxylic acid hydrazide | 
                                        68192-44-9 | 
                                        C8H8N4O3S | 
                                        240.243 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4,4-dioxo-1,4-dihydro-4λ6-benzo[1,3,4]thiadiazine-3-carboxylic acid anilide | 
                                        68192-45-0 | 
                                        C14H11N3O3S | 
                                        301.326 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,1-dioxo-1,4-dihydro-1λ6-benzo[1,4]thiazine-2,3-dione 2-phenylhydrazone | 
                                        68192-40-5 | 
                                        C14H11N3O3S | 
                                        301.326 |