(S)-2-((6E,8E)-(3R,5S)-10-Azido-3,5-bis-methoxymethoxy-7-methyl-deca-6,8-dienoylamino)-3-(tert-butyl-dimethyl-silanyloxy)-propionic acid methyl ester

(R)-2-{[2-((5E,7E)-(2R,4S)-9-Azido-2,4-bis-methoxymethoxy-6-methyl-nona-5,7-dienyl)-oxazole-4-carbonyl]-amino}-propionic acid methyl ester