3-<2-<3-<5-(benzyloxy)-2-ethyl-4-(4-fluorophenyl)phenoxy>propoxy>-6-<<4-(ethoxycarbonyl)butyl>oxy>phenyl>propanoic acid ethyl ester

(-)-ethyl-5-{2-[2-(ethoxycarbonyl)ethyl]-3-(7R-hydroxy-5E-pentadecenyloxy)phenoxy}petanoate

(+)-ethyl-5-{2-[2-(ethoxycarbonyl)ethyl]-3-(7S-hydroxy-5E-pentadecenyloxy)phenoxy}petanoate

ethyl-5-{2-[2-(ethoxycarbonyl)ethyl]-3-(7-oxo-5E-pentadecenyloxy)phenoxy}pentanoate

5-[2-(2-carboxyethyl)-3-(7-hydroxy-5E-pentadecenyloxy)phenoxy]pentanoic acid