benzyl ((4R,5S,6S,7R)-5,6,8-tris(benzyloxy)-7-hydroxyoct-1-en-4-yl)carbamate

benzyl (2R,3S,4S,5S)-2-allyl-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)pyrrolidine-1-carboxylate