5-hydroxy-B-nor-5β-cholestane-6α-carbaldehyde 、
S-(4-叔-丁基苯甲基)[2-(1-甲基丁基)吡啶-3-基]硫代氨基甲酸酯 生成 [(E)-[(3R,3aR,5aS,5bR,9aR,10S,10aS,10bS)-9a-hydroxy-3a,5b-dimethyl-3-[(2R)-6-methylheptan-2-yl]-2,3,4,5,5a,6,7,8,9,10,10a,10b-dodecahydro-1H-cyclopenta[a]fluoren-10-yl]methylideneamino]urea