(E)-(R)-4-((1R,2R)-2-[1,3]Dithian-2-yl-4-oxo-cyclopentyl)-4-(2-methoxy-ethoxymethoxy)-but-2-enoic acid methyl ester

(R,E)-4-((1R,2R)-2-(1,3-dithian-2-yl)-4-oxocyclopentyl)-4-hydroxybut-2-enoic acid

methyl (R,E)-4-((1R,2R,4R)-2-(1,3-dithian-2-yl)-4-((2-methoxyethoxy)methoxy)cyclopentyl)-4-((2-methoxyethoxy)methoxy)but-2-enoate

(5E,13E)-(2S,3aR,9S,14aS)-9-Methyl-2-(tetrahydro-pyran-2-yloxy)-2,3,3a,9,10,11,12,14a-octahydro-1H-8-oxa-cyclopentacyclotridecene-4,7-dione

(E)-4-((1R,2S,4S)-4-hydroxy-2-((S,E)-6-hydroxyhept-1-en-1-yl)cyclopentyl)-4-oxobut-2-enoic acid