(3aS,4S,6aR)-4-(2-methoxy-2-oxoethyl)-2,2-dimethyl-4,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrol-5-ium-5-olate

(3aS,4R,6aR)-5-fluoro-2,2-dimethyl-6-((trityloxy)methyl)-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-ol

Acetic acid (3aR,6R,6aR)-3a,6-bis-acetoxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester

4-O-acetyl-5-bromo-5-deoxy-2,3-O-(1-methylethylidene)-D-ribose O-(triphenylmethyl)oxime

(4R,5S)-2,2-dimethyl-4-((R)-oxiran-2-yl)-5-vinyl-1,3-dioxolane