[(S)-1-(4-Methoxy-phenyl)-ethyl]-[1-(2-trimethylsilanyl-furan-3-yl)-meth-(E)-ylidene]-amine

(4S,5S) 5-isopropyl-2-oxo-oxazolidine-4-carboxylic acid benzyl ester

[(3S,4S)-3-((S)-1-Hydroxy-2-methyl-propyl)-1-[(S)-1-(4-methoxy-phenyl)-ethyl]-2-oxo-4-(2-oxo-2,5-dihydro-furan-3-yl)-azetidin-3-yl]-carbamic acid tert-butyl ester

(4S,5S) 5-isopropyl-2-oxo-oxazolidine-3,4-dicarboxylic acid 4-benzyl ester 3-tert-butyl ester

[(3S,4S)-3-((S)-1-Hydroxy-2-methyl-propyl)-1-[(S)-1-(4-methoxy-phenyl)-ethyl]-2-oxo-4-(2-trimethylsilanyl-furan-3-yl)-azetidin-3-yl]-carbamic acid tert-butyl ester