(2R)-2-(benzoylamino)-3-phenylpropanoic acid
(2R)-2-(benzoylamino)-3-phenyl-propanoic acid
(2R)-2-[(oxo-phenylmethyl)amino]-3-phenylpropanoic acid
(2R)-2-(benzoylamino)-3-phenyl-propionic acid
(2R)-3-phenyl-2-(phenylcarbonylamino)propanoic acid