SEARCH Articles Figures Tables 2-Amino-3-phenylpropanoic acid, 2-Oxo-3-phenylpropanoic acid 3- -3-phenylpropanoic 3-Phenylpropanoic acid ethyl ester 3-phenylpropionic acid (3-phenylpropanoic 3.3- difluoro-3-phenylpropanoic acid