(S)-2-tert-Butoxycarbonylamino-3-[(2R,3S)-3-hydroxymethyl-2-(3-hydroxy-propyl)-oxiranyl]-propionic acid methyl ester

(S)-2-tert-Butoxycarbonylamino-4-[2-hydroxy-eth-(Z)-ylidene]-7-(4-methoxy-benzyloxy)-heptanoic acid methyl ester

6-[(4-methoxyphenyl)methoxy]-2-hexyn-1-ol

(S)-2-tert-Butoxycarbonylamino-3-{(2R,3S)-3-hydroxymethyl-2-[3-(4-methoxy-benzyloxy)-propyl]-oxiranyl}-propionic acid methyl ester

(Z)-1-(tert-butyldimethylsiloxy)-3-iodo-6-(p-methoxybenzyl)oxy-2-hexene

(S)-2-tert-Butoxycarbonylamino-4-[2-(tert-butyl-dimethyl-silanyloxy)-eth-(Z)-ylidene]-7-(4-methoxy-benzyloxy)-heptanoic acid methyl ester