(4aS)-7t-hydroxy-2,4b-dimethyl-(4ar,4bt,8at,10at)-4a,4b,5,6,7,8,8a,9,10,10a-decahydro-4H-phenanthren-1-one

3-[(7R,8S)-8-Methyl-8-((1E,3E)-penta-1,3-dienyl)-1,4-dioxa-spiro[4.5]dec-7-yl]-propan-1-ol

(4aS,4bS,7S,8aR,10aR)-7-(tert-Butyl-dimethyl-silanyloxy)-2,4b-dimethyl-4a,4b,5,6,7,8,8a,9,10,10a-decahydro-4H-phenanthren-1-one

Trifluoro-acetic acid (2S,4aS,4bS,7R,8aR,10aR)-4a,7-dimethyl-8-oxo-1,2,3,4,4a,4b,7,8,8a,9,10,10a-dodecahydro-phenanthren-2-yl ester

(2R,4aS,4bS,7S,8aR,10aR)-2,4b-dimethyl-4a,4b,5,6,7,8,8a,9,10,10a-decahydro-2H-spiro[phenanthrene-1,2'-[1,3]dithian]-7-yl 2,2,2-trifluoroacetate