3-{2-[2-((1S,2R,3R,4R)-3-Hydroxymethyl-7-oxa-bicyclo[2.2.1]hept-2-yl)-ethyl]-phenyl}-propionic acid

3-{2-[2-((1S,2R,3R,4R)-3-Hydroxymethyl-7-oxa-bicyclo[2.2.1]hept-2-yl)-ethyl]-phenyl}-propionic acid methyl ester

[(S)-1-(4-Cyclohexyl-butylcarbamoyl)-2-hydroxy-ethyl]-carbamic acid tert-butyl ester

(1R,2S,3R,4S)-3-{2-[2-(2-Methoxycarbonyl-ethyl)-phenyl]-ethyl}-7-oxa-bicyclo[2.2.1]heptane-2-carboxylic acid

3-[2-(2-{(1S,2R,3S,4R)-3-[(S)-1-(4-Cyclohexyl-butylcarbamoyl)-2-hydroxy-ethylcarbamoyl]-7-oxa-bicyclo[2.2.1]hept-2-yl}-ethyl)-phenyl]-propionic acid methyl ester