| 标题 | 
                                        
                                                
                                                    | (17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile |  | 
                        
                            
                                | IUPAC标准名 | 
                                        
                                                
                                                    | 2-[(10S,11S,14R,15S)-14-hydroxy-15-methyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadeca-1(17),2(7)-dien-14-yl]acetonitrile |  | 
                        
                            
                                | IUPAC传统名 | 
                                        
                                                
                                                    | 2-[(10S,11S,14R,15S)-14-hydroxy-15-methyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadeca-1(17),2(7)-dien-14-yl]acetonitrile |  |