(R)-4-(tert-butyldimethylsilyloxy)-5-(4-methoxybenzyloxy)pentanoic acid

(R)-4-benzyl-3-((R)-4-(tert-butyldimethylsilyloxy)-5-hydroxypentanoyl)oxazolidin-2-one

(4S,6E)-1-tert-butyldimethylsilyloxy-4-tert-butyldiphenylsilyloxy-6-octene

ethyl (2E,4R)-7-((R)-4-benzyl-2-oxo-1,3-oxazolidin-3-yl)-4-(tert-butyldimethylsilyloxy)-7-oxohept-2-enoate

(R)-4-benzyl-3-((R)-4-(tert-butyldimethylsilyloxy)-5-(4-methoxybenzyloxy)pentanoyl)oxazolidin-2-one