for the following products
(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[3-(trifluoromethyl)phenyl]propanoic acid | Boc-3-(Trifluoromethyl)-L-phenylalanine | Boc-L-3-(Trifluoromethyl)phenylalanine | N-alpha-t-Butyloxycarbonyl-3-trifluoromethyl-L-phenylalanine and Boc-Phe(3-CF3)-OH