[3-hexadecanoylamino-2-oxo-4-(4-propoxy-phenyl)-butyl]-phosphonic acid dimethyl ester

[4-(4-benzyloxy-phenyl)-3-hexadecanoylamino-2-oxo-butyl]-phosphonic acid dimethyl ester

{3-hexadecanoylamino-4-[4-(4-methoxy-3,5-dimethyl-pyridin-2-ylmethoxy)-phenyl]-2-oxo-butyl}-phosphonic acid dimethyl ester

[3-hexadecanoylamino-2-oxo-4-(4-pentyloxy-phenyl)-butyl]-phosphonic acid dimethyl ester

(3-hexadecanoylamino-2-oxo-4-{4-[4-(2,2,2-trifluoro-ethoxy)-pyridin-2-ylmethoxy]-phenyl}-butyl)-phosphonic acid dimethyl ester