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

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