| 标题 | 
                                        
                                                
                                                    | 21-Dehydro Desoxymetasone |  | 
                        
                            
                                | IUPAC标准名 | 
                                        
                                                
                                                    | 2-[(1R,2S,10S,11S,13R,14S,15S,17S)-1-fluoro-17-hydroxy-2,13,15-trimethyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadeca-3,6-dien-14-yl]-2-oxoacetaldehyde |  | 
                        
                            
                                | IUPAC传统名 | 
                                        
                                                
                                                    | 2-[(1R,2S,10S,11S,13R,14S,15S,17S)-1-fluoro-17-hydroxy-2,13,15-trimethyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadeca-3,6-dien-14-yl]-2-oxoacetaldehyde |  | 
                        
                            
                                | 别名 | 
                                        
                                                
                                                    | (11β,16α)-9-Fluoro-11-hydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al |  |