| —— | 16α,17-isopropylidenedioxy-11α-methanesulfonyloxy-pregn-4-ene-3,20-dione | 119599-22-3 | C25H36O7S | 480.623 | 
                                                                                                                                            
                                        | —— | 16α,17-isopropylidenedioxy-pregna-4,9(11)-diene-3,20-dione | 2135-09-3 | C24H32O4 | 384.516 | 
                                                                                                                                            
                                        | —— | 16α,17-isopropylidenedioxy-pregna-1,4,9(11)-triene-3,20-dione | 2135-12-8 | C24H30O4 | 382.5 | 
                                                                                                                                            
                                        | —— | 2α-bromo-16α,17-isopropylidenedioxy-pregna-4,9(11)-diene-3,20-dione | 2135-11-7 | C24H31BrO4 | 463.412 | 
                                                                                                                                            
                                        | 地西龙缩丙酮 | 9-fluoro-11β-hydroxy-16α,17-isopropylidenedioxy-pregna-1,4-diene-3,20-dione | 2135-14-0 | C24H31FO5 | 418.506 | 
                                                                                                                                            
                                        | —— | 9-chloro-11β-hydroxy-16α,17-isopropylidenedioxy-pregna-1,4-diene-3,20-dione | 25394-47-2 | C24H31ClO5 | 434.96 | 
                                                                                                                                            
                                        | —— | 9-bromo-11β-hydroxy-16α,17-isopropylidenedioxy-pregna-1,4-diene-3,20-dione | 2503-07-3 | C24H31BrO5 | 479.411 | 
                                                                                                                                            
                                        | —— | 2α,21-dibromo-16α,17-isopropylidenedioxy-pregna-4,9(11)-diene-3,20-dione | 116606-52-1 | C24H30Br2O4 | 542.308 | 
                                                                                                                                            
                                        | —— | 9-chloro-11β,16α,17-trihydroxy-pregna-1,4-diene-3,20-dione | 95698-68-3 | C21H27ClO5 | 394.895 | 
                                                                                                                                            
                                        | 地西龙 | 9-fluoro-11β,16α,17-trihydroxy-pregna-1,4-diene-3,20-dione | 595-52-8 | C21H27FO5 | 378.441 |