H-GLU(PHE-OH)-OH

5-Amino-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-5-oxopentanoic acid

N2-[(2-硝基苯基)硫基]-L-谷氨酰胺

(S)-5-氨基-2-(Boc-氨基)-5-酮基戊酸

甘露菠萝