2,2,4,4-Tetramethyl-oxazolidine-3-carboxylic acid (1S,3S)-3-dibenzylamino-1-methyl-4-trityloxy-butyl ester

(1R,2S)-2-(dibenzylamino)-1-((1R,2S)-1-hydroxy-2-methylcyclohexyl)butane-1,4-diyl bis(2,2,4,4-tetramethyloxazolidine-3-carboxylate)

(3S,4R,5S)-3-(dibenzylamino)-5-hydroxy-5-phenylpentane-1,4-diyl bis(2,2,4,4-tetramethyloxazolidine-3-carboxylate)

2,2,4,4-Tetramethyl-oxazolidine-3-carboxylic acid (S)-3-dibenzylamino-4-methoxy-butyl ester

(-)-(S)-S-1-Methyl-1,2-diphenylethyl 2,2,4,4-tetramethyl-1,3-oxazolidine-3-thiocarboxylate