((4aR,6S,7R,8aS)-7-Hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl)-acetic acid ethyl ester

2-deoxy-D-erythro-pentose cyclic 1,3-propanediyl mercaptal

(E)-3-[(4S,5R)-4-(2-Oxo-ethyl)-2-phenyl-[1,3]dioxan-5-yloxy]-acrylic acid ethyl ester

(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-hydroxymethyl-tetrahydro-pyran-3-ol