| —— | 
                                        (-)-(1S,2R,4aR,4bR,5S,6R,7R,8aR,10aS)-(1α,2β,4aβ,4bα,5α,6α,7α,8aβ,10aα)-1,2,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-2-hydroxy-5,6-O-isopropylidene-8a-[(triisopropylsilyloxy)methyl]-1,4a,7-trimethylphenanthrene | 
                                        212953-74-7 | 
                                        C30H54O4Si | 
                                        506.842 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (-)-(1S,4aR,4bR,5S,6R,8aR,10aS)-(1α,4aβ,4bα,5α,6α,7α,8aβ,10aα)-4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-5,6-O-isopropylidene-8a-[(triisopropylsilyloxy)methyl]-1,4a,7-trimethylphenanthren-2(1H)-one | 
                                        212953-73-6 | 
                                        C30H52O4Si | 
                                        504.826 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (-)-(1S,4aS,4bS,6R,7R,8aR,10aS)-(1α,4aβ,4bα,5α,6α,7α,8aβ,10aα)-5,6-O-isopropylidene-3,4,4a,5,6,7,8,8a,9,10,10a-tetradecahydro-8a-[(triisopropylsilyloxy)methyl]-1,4a,7-trimethylphenanthren-2(1H)-one | 
                                        212953-72-5 | 
                                        C30H54O4Si | 
                                        506.842 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (+)-(1S,4aS,4bR,7R,8aR,10aS)-(1α,4aβ,4bα,7α,8aβ,10aα)-2-[4'R,5'R-4',5'-dimethyl-spiro-1',3'-dioxolane]-1,3,4,4a,4b,5,8,8a,9,10,10a-tetradecahydro-8a-[(triisopropylsilyloxy)methyl]-1,4a,7-trimethylphenanthren-6(7H)-one | 
                                        212965-49-6 | 
                                        C31H56O4Si | 
                                        520.869 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (+)-(1S,4aS,8aS,10aS)-(1α,4aβ,8aβ,10aα)-1,4a-dimethyl-2-[4'R,5'R-4',5'-dimethyl-spiro-1',3'-dioxolane]-1,3,4,4a,8,8a,10,10a-dodecahydro-8a-[(triisopropylsilyloxy)methyl]phenanthren-6(7H)-one | 
                                        212965-44-1 | 
                                        C30H52O4Si | 
                                        504.826 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (+)-(1S,4aS,7R,8aR,10aS)-(1α,4aβ,7α,8aβ,10aα)-2-[4'R,5'R-4',5'-dimethyl-spiro-1',3'-dioxolane]-1,3,4,4a,8,8a,9,10a-dodecahydro-8a-[(triisopropylsilyloxy)methyl]-1,4a,7-trimethylphenanthren-6(7H)-one | 
                                        212965-46-3 | 
                                        C31H54O4Si | 
                                        518.853 |