(4R,5R)-(E)-5-(t-butyl(dimethyl)silyloxy)-4-hydroxy-2-hexenoic acid tert-butyl ester

(2S,3S)-3-benzyloxymethyl-2-hydroxy-4-butanolide

(2S,3S)-3-benzyloxymethyl-2,4-(4-methoxybenzylidenedioxy)butane-1-ol

(5S,1'R)-2,2-dimethyl-5-(1'-benzyloxymethylcarboxymethyl)-1,3-dioxolan-4-one

(2S,3R)-3-benzyloxymethyl-2-benzyloxy-methoxy-1,4-butanediol