5-[(5S,6R)-5-Hydroxy-6-((E)-(S)-3-hydroxy-oct-1-enyl)-5,6-dihydro-4H-cyclopentathiazol-2-yl]-pentanoic acid methyl ester

5-[(3aS,5R,6S,6aR)-5-Hydroxy-6-((E)-(R)-3-hydroxy-oct-1-enyl)-3a-methoxy-4,5,6,6a-tetrahydro-3aH-cyclopentathiazol-2-yl]-pentanoic acid methyl ester

5-[(5S,6R)-5-Hydroxy-6-((E)-(S)-3-hydroxy-oct-1-enyl)-5,6-dihydro-4H-cyclopentathiazol-2-yl]-pentanoic acid

5-[(5S,6R)-5-Benzyloxymethoxy-6-((E)-(S)-3-benzyloxymethoxy-oct-1-enyl)-5,6-dihydro-4H-cyclopentathiazol-2-yl]-pentanoic acid methyl ester