| 标题 | 
                                        
                                                
                                                    | Ethyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide(Piroxicam Impurity H) |  | 
                        
                            
                                | IUPAC标准名 | 
                                        
                                                
                                                    | ethyl 4-hydroxy-1,1-dioxo-2H-1λ6,2-benzothiazine-3-carboxylate |  | 
                        
                            
                                | IUPAC传统名 | 
                                        
                                                
                                                    | ethyl 4-hydroxy-1,1-dioxo-2H-1λ6,2-benzothiazine-3-carboxylate |  | 
                        
                            
                                | 别名 | 
                                        
                                                
                                                    | 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester 1,1-Dioxide |  
                                                    | Piroxicam Impurity H |  |