| 标题 | 
                                        
                                                
                                                    | Isopropyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity L) |  | 
                        
                            
                                | IUPAC标准名 | 
                                        
                                                
                                                    | propan-2-yl 4-hydroxy-2-methyl-1,1-dioxo-2H-1λ6,2-benzothiazine-3-carboxylate |  | 
                        
                            
                                | IUPAC传统名 | 
                                        
                                                
                                                    | isopropyl 4-hydroxy-2-methyl-1,1-dioxo-1λ6,2-benzothiazine-3-carboxylate |  | 
                        
                            
                                | 别名 | 
                                        
                                                
                                                    | Piroxicam Impurity L |  
                                                    | 1-Methylethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide |  
                                                    | 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid 1-Methylethyl Ester1,1-Dioxide |  
                                                    | NSC 640233 |  |