(2S,4S,6S)-2-(3,4-Dimethoxy-phenyl)-6-[4-(2-methoxy-ethoxymethoxy)-butyl]-piperidin-4-ol

[(1S,3R)-1-(3,4-Dimethoxy-phenyl)-3-hydroxy-9-(2-methoxy-ethoxymethoxy)-5-oxo-nonyl]-carbamic acid benzyl ester

(2S,4S,6S)-(-)-2-(4-benzyloxy-butyl)-6-(3,4-dimethoxy-phenyl)-piperidin-4-ol

(RS,1S,3R)-(-)-1-N-(p-toluenesulfinyl)amino 1-(3,4-dimethoxyphenyl)-3-hydroxy-5-oxo-9-benzyloxynonane

(RS,3R,5S)-(-)-methoxy-N-methyl-3-hydroxy-5-(3,4-dimethoxyphenyl)-5-N-(p-toluenesulfinyl)pentanamide