| 标题 | 
                                        
                                                
                                                    | 3β,21-Dihydroxy-5α-pregnan-20-one |  | 
                        
                            
                                | IUPAC标准名 | 
                                        
                                                
                                                    | 2-hydroxy-1-[(1S,2S,5S,7S,10R,11S,14S,15S)-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.02,7.011,15]heptadecan-14-yl]ethan-1-one |  | 
                        
                            
                                | IUPAC传统名 | 
                                        
                                                
                                                    | 2-hydroxy-1-[(1S,2S,5S,7S,10R,11S,14S,15S)-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.02,7.011,15]heptadecan-14-yl]ethanone |  | 
                        
                            
                                | 别名 | 
                                        
                                                
                                                    | 3β,21-二羟基-5α-孕甾-20-酮 |  
                                                    | 5α-孕甾-3β,21-二醇-20-酮 |  
                                                    | 别孕烷-3β,21-二醇-20-酮 |  |