((4R,5S)-2,2-Dimethyl-5-oct-2-ynyl-[1,3]dioxolan-4-yl)-methanol

(5Z,9E)-10-[(4R,5S)-2,2-Dimethyl-5-((Z)-oct-2-enyl)-[1,3]dioxolan-4-yl]-8-oxo-deca-5,9-dienoic acid methyl ester

3,4-O-isopropylidene-2-deoxy-D-ribono-1,5-lactone