((3aR,4R,6R,6aS)-2,2,6-trimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

5-O-Acetyl-2,3-O-isopropylidene-D-ribonolactone oxime

Acetic acid (3aR,4R,6S,6aS)-2,2-dimethyl-6-propyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl ester

1,2-dideoxy-3,4-isopropylidene-6-O-(p-toluenesulfonyl)-D-ribo-hex-1-enitol

(1S,4S,5S)-(+)-4,5-O-isopropylidene-1-hydroxymethyl-2-cyclopenten-1-ol