(1R)-1-[(1S)-oxiranyl]-but-3-en-1-ol

(2S)-2-[(1R)-1-benzyloxy-but-3-enyl]-oxirane

(3S,4R)-4-benzyloxy-hept-6-en-3-ol

[(1S,2R)-2-benzyloxy-1-ethyl-pent-4-enyloxy]-acetic acid

(Z)-(S)-2-((1S,2R)-2-Benzyloxy-1-ethyl-pent-4-enyloxy)-5-bromo-pent-4-enal