p. 1213 - 1224
(2007/10/03)(S)-4-[(S)-1-(2,4-Dimethoxy-benzyl)-2-oxo-piperidin-3-ylmethyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
(2'S,4S,4''S)-4-<2'-(4''-benzyl-2''-oxo-oxazolidine-3''-carbonyl)-pent-4'-enyl>-2,2-dimethyloxazolidine-3-carboxylic acid tert-butyl ester
(1S,3'S)-<2'-<1'-(2'',4''-dimethoxybenzyl)-2'-oxo-piperidin-3'-yl>-1-hydroxymethylethyl>-carbamic acid tert-butyl ester
{(S)-2-[(S)-1-(2,4-Dimethoxy-benzyl)-2-oxo-piperidin-3-yl]-1-formyl-ethyl}-carbamic acid tert-butyl ester
(4S,4''S)-4-<3'-(4''-benzyl-2''-oxo-oxazolidin-3''-yl)-3'-oxo-propyl>-2,2-dimethyloxazolidine-3-carboxylic acid tert-butyl ester