(1R,2R)-2-((S)-1-Hydroxy-but-3-enyl)-cyclopentanecarboxylic acid

(1R,2R)-2-[(1S)-triisopropylsilanyloxy-but-3-enyl]-cyclopentanecarboxylic acid methyl ester

(1R,2R)-2-[(1S)-hydroxy-but-3-enyl]-cyclopentanecarboxylic acid (+)-menthyl ester

(1R,2R)-2-(6-cyano-16-methoxycarbonyl-(7R,15S)-bis-methoxymethoxy-(8S,10R,12S,14S)-tetramethyl-(1S)-hydroxy-hexadeca-(3E,5Z)-dienyl)-cyclopentanecarboxylic acid methyl ester

(1R,2R)-2-((1S,3E,5Z,7R,8S,10R,12S,14S,15S)-16-carboxy-6-cyano-1-hydroxy-7,15-bis(methoxymethoxy)-8,10,12,14-tetramethylhexadeca-3,5-dien-1-yl)cyclopentane-1-carboxylic acid