(E)-(4R,5R,6S,7S,8R,9S,10S)-11-Benzyloxy-5,7,9-trihydroxy-4,6,8,10-tetramethyl-undec-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

(E)-3-[(2S,3S)-3-((1S,2S,3R,4S,5S)-6-Benzyloxy-1,3,5-trimethyl-2,4-bis-triethylsilanyloxy-hexyl)-oxiranyl]-acrylic acid ethyl ester