ethyl 5-benzyloxy-6-[2,2-dimethyl-(4R)-1,3-dioxolan-4-yl]-(E,5R)-2-hexenoate

((2S,4R,6R)-4-Benzyloxy-6-methoxymethoxymethyl-tetrahydro-pyran-2-yl)-acetic acid ethyl ester

3,5,6-trideoxy-1,2-O-isopropylidene-α-D-ribo-hex-5-enofuranoside