D-高苯丙氨酸

(R)-2-羟基-4-苯基丁酸

(S)-3-((S)-2-Amino-3-methyl-butyrylamino)-2-hydroxy-5-phenyl-pentanoic acid ethylamide

(tert-butoxycarbonyl)-2(S)-hydroxy-3(S)-amino-5-phenylpentanoic acid methyl ester

{2(R,S)-hydroxy-1(S)-phenethylbut-3-enyl}carbamic acid tert-butyl ester