3-(4-甲氧基-5-氧代-3-苯基-2H-呋喃-2-基)丙酸乙酯

4-hydroxy-3-phenyl-2-(2-phenylmethoxyethyl)-2H-furan-5-one

N-甲酰-DL-苯丙氨酸

(2S)-2-(benzylamino)-3-phenylpropanoic acid

(R)-N-benzyl-phenylalanine