(E,4R,5S)-allyl 4-((2-methoxyethoxy)methoxy)-5-hydroxyhex-2-enoate

(E)-(4R,5S)-5-(4-Methoxy-benzyloxy)-4-(2-methoxy-ethoxymethoxy)-hex-2-enoic acid allyl ester

(4R,5S,E)-((2S,3R,E)-6-(allyloxy)-3-((2-methoxyethoxy)methoxy)-6-oxohex-4-en-2-yl) 5-hydroxy-4-((2-methoxyethoxy)methoxy)hex-2-enoate

(E)-(4R,5S)-5-(4-Methoxy-benzyloxy)-4-(2-methoxy-ethoxymethoxy)-hex-2-enoic acid (E)-(1S,2R)-4-allyloxycarbonyl-2-(2-methoxy-ethoxymethoxy)-1-methyl-but-3-enyl ester

(4R,5S,E)-((2S,3R,E)-6-(allyloxy)-3-((2-methoxyethoxy)methoxy)-6-oxohex-4-en-2-yl) 5-((S)-3-(4-methoxybenzyloxy)butanoyloxy)-4-((2-methoxyethoxy)methoxy)hex-2-enoate