(4-Benzyloxy-5-methoxy-2-nitro-phenyl)-[(2S,4R)-2-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-pyrrolidin-1-yl]-methanone

{2-[(S)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-4-eth-(E)-ylidene-pyrrolidine-1-carbonyl]-4,5-dimethoxy-phenyl}-carbamic acid allyl ester

(2S)(4R)-N-[(2-Allyloxycarbonylamino)-4,5-dimethoxybenzoyl]-2-(tert-butyldimethylsilyloxymethyl)-4-hydroxypyrrolidine

(2S,4R)-2-t-butyldimethylsilyloxymethyl-4-oxyacetylpyrrolidine

1,1'-[[(propane-1,3-diyl)dioxy]bis[(2S,4R)-(5-methoxy-2-amino-1,4-phenylene)carbonyl]]bis[2-(tert-butyldimethylsilyloxymethyl)-4-oxyacetylpyrrolidine]