[1S-(1α,2α,3α,4α)]-2-[[3-[4-[[(5-Carboxy-5-methylhexyl)amino]carbonyl]-2-oxazolyl]-7-oxabicyclo[2.2.1]hept-2-yl]-methyl]benzenepropanoic acid, methyl ester

3-[2-((1S,2R,3S,4R)-3-{4-[4-(4-Methylsulfanyl-phenyl)-butylcarbamoyl]-oxazol-2-yl}-7-oxa-bicyclo[2.2.1]hept-2-ylmethyl)-phenyl]-propionic acid

(1R,2R,3R,4S)-3-[2-(3-carboxy-7-oxabicyclo[2.2.1]hept-2-yl-methyl)phenyl]propionic acid methyl ester

(1R,2R,3R,4S)-3-[2-(3-formyl-7-oxabicyclo[2.2.1]hept-2-yl-methyl)phenyl]propionic acid methyl ester

(1R,2S,3R,4S)-3-[2-(3-formyl-7-oxabicyclo[2.2.1]hept-2-yl-methyl)phenyl]propionic acid methyl ester