(2R,3S,4R)-hept-6-ene-2,3,4-triol

methyl 3,4-di-O-acetyl-2,6-dideoxy-α-L-lyxo-hexopyranoside

(4S,5E)-(+)-hepta-1,5-dien-4-ol

(S)-1-((4S,5S)-2,2,5-Trimethyl-[1,3]dioxolan-4-yl)-but-3-en-1-ol