(2S,3S,4S)-2-amino-3-hydroxy-4-methyl-5-benzyloxypentanoic acid

(2S,3S,4S)-2-(tert-butoxycarbonyl)amino-3-hydroxy-4-methyl-5-benzyloxypentanoic acid methyl ester

(E)-3-[(2S,3S)-3-((S)-2-Benzyloxy-1-methyl-ethyl)-oxiranyl]-acrylic acid ethyl ester

(E)-(4R,5R,6S)-7-Benzyloxy-5-hydroxy-4,6-dimethyl-hept-2-enoic acid ethyl ester

(E)-3-[(2R,3R)-3-((1S,2S,3S)-4-Benzyloxy-2-hydroxy-1,3-dimethyl-butyl)-oxiranyl]-acrylic acid ethyl ester