N-benzoyl-2-phenylglycine

(2S)-{[(2E)-4-oxo-4-phenylbut-2-enoyl]amino}(phenyl)acetic acid

(2S)-2-((S)-2-(benzylamino)-4-oxo-4-phenylbutanamido)-2-phenylacetic acid

6-氨基青霉烷酸

(S)-(+)-2-苯甘氨酸甲酯 盐酸盐