(5S,6S)-7-[(S)-4-Chloro-2-methoxymethoxy-2-((Z)-oct-2-enyl)-5-oxo-cyclopent-3-en-(E)-ylidene]-5,6-dihydroxy-heptanoic acid methyl ester

4-{(4S,5S)-5-[(S)-4-Chloro-2-methoxymethoxy-2-((Z)-oct-2-enyl)-5-oxo-cyclopent-3-en-(E)-ylidenemethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-butyric acid methyl ester

4-((4S,5S)-5-{[(R)-4-Chloro-2-methoxymethoxy-2-((Z)-oct-2-enyl)-5-oxo-cyclopent-3-enyl]-hydroxy-methyl}-2,2-dimethyl-[1,3]dioxolan-4-yl)-butyric acid methyl ester