(2R,3S,4R,5S)-2-((E)-2,3-dichlorostyryl)-5-ethyltetrahydrofuran-3,4-diol

(2S,3R,4S,5R)-2-ethyl-5-((E)-2-(naphthalen-1-yl)vinyl)tetrahydrofuran-3,4-diol

methyl 3,6-anhydro-2-deoxy-7-O-(methoxymethyl)-4,5-O-methylene-D-allo-heptonate