(4S,5S)-4-Benzyl-5-{(S)-2-benzyl-4-[(1R,2R)-2-(tert-butyl-dimethyl-silanyloxy)-indan-1-yl]-3-oxo-2,3-dihydro-1H-pyrrol-2-ylmethyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4S,5S)-5-((S)-2-Amino-2-methoxycarbonyl-3-phenyl-propyl)-4-benzyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-indan-1-yl]-acetaldehyde

(2aR,7aR)-2,2a,7,7a-Tetrahydro-cyclobuta[a]inden-1-one

2-[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-indan-1-yl]-N-methoxy-N-methyl-acetamide