(2S,3S,6R)-6-(4-Benzyloxy-butyl)-2-(3-chloro-propyl)-3-methyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid benzyl ester

(S)-2-(3-Hydroxy-propyl)-4-oxo-5-triisopropylsilanyl-3,4-dihydro-2H-pyridine-1-carboxylic acid (1S,2R)-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

(S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-6-oxo-piperidine-1-carboxylic acid benzyl ester

1-phenylmethyl 2-methyl 6-(tert-butyldiphenylsilyloxymethyl)-5,6-dihydro-4H-pyridine-1,2-dicarboxylate

phenylmethyl 6-(tert-butyldiphenylsilyloxymethyl)-2-hydroxymethyl-3-methylpiperidine-1-carboxylate