4-benzyl 3-tert-butyl (2R,4R)-2-tert-butyl-4-((S)-1-(4-methoxybenzyloxy)allyl)oxazolidine-3,4-dicarboxylate

4-benzyl 3-tert-butyl (2R,4R)-2-tert-butyl-4-((S)-1-hydroxyallyl)oxazolidine-3,4-dicarboxylate

4-benzyl 3-tert-butyl (2R,4R)-2-tert-butyl-4-((S,E)-1-hydroxy-12-oxooctadec-2-enyl)oxazolidine-3,4-dicarboxylate

(2R,4R)-3-(tert-butoxycarbonyl)-2-tert-butyl-4-((S)-1-hydroxy-12-oxooctadecyl)oxazolidine-4-carboxylic acid

3-tert-butyl 4-((E)-3-methoxyallyl) (2R,4S)-2-tert-butyloxazolidine-3,4-dicarboxylate