(R)-3-Benzyloxy-4-methoxy-butyraldehyde

(4S)-4-benzyl-3-[(2R)-2-benzyloxy-pent-4-enoyl]-oxazolidin-2-one

(2R,3S,4R,5R,7R)-7-Benzyloxy-1-((S)-4-benzyl-2-thioxo-thiazolidin-3-yl)-3-hydroxy-8-methoxy-2,4-dimethyl-5-triethylsilanyloxy-octan-1-one

(2S,3R,5R)-5-Benzyloxy-6-methoxy-2-methyl-3-triethylsilanyloxy-hexanal

(2S,3R,5R)-5-Benzyloxy-1-((S)-4-benzyl-2-thioxo-thiazolidin-3-yl)-3-hydroxy-6-methoxy-2-methyl-hexan-1-one