(5R,6S)-5,6-Diacetoxy-7-oxo-heptanoic acid methyl ester

(5R,6R)-5,6-Diacetoxy-7-hydroxy-heptanoic acid methyl ester

(5R,6R)-5,6-Diacetoxy-7-(tetrahydro-pyran-2-yloxy)-heptanoic acid methyl ester

(5S,6R)-5,6-Diacetoxy-7-[(S)-4-chloro-2-hydroxy-2-((Z)-oct-2-enyl)-5-oxo-cyclopent-3-en-(Z)-ylidene]-heptanoic acid methyl ester

(5R,6R)-5,6-Diacetoxy-7-[(S)-4-chloro-2-hydroxy-2-((Z)-oct-2-enyl)-5-oxo-cyclopent-3-en-(E)-ylidene]-heptanoic acid methyl ester