5-O-(triphenylmethyl)-3-deoxy-2-O-(methanesulfonyl)-1,4-di-O-acetyl-D-threo-pentitol

(3R,5S)-3,5,6-Trihydroxy-hexanoic acid isopropyl ester

isopropyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate