D-threo-Hex-1-enitol, 1,5-anhydro-2,4-dideoxy-, diacetate

Acetic acid (2S,6R)-6-(2-oxo-ethyl)-3,6-dihydro-2H-pyran-2-ylmethyl ester

Acetic acid (2S,6R)-6-((E)-(S)-2-hydroxy-5-methyl-6-oxo-hex-4-enyl)-3,6-dihydro-2H-pyran-2-ylmethyl ester

(2E,4E)-(S)-8-((2R,6S)-6-Acetoxymethyl-5,6-dihydro-2H-pyran-2-yl)-7-hydroxy-4-methyl-octa-2,4-dienoic acid methyl ester