N-{[(4-硝基苄基)氧基]羰基}丙氨酸

N-(氯乙酰基)-L-丙氨酸

(2S)-2-[(5-乙基-8-氧代[1,3]二氧杂环戊并[4,5-g]喹啉-7-羰基)氨基]丙酸

2-[(9-hydroxy-2,5,11-trimethyl-6H-pyrido[4,3-b]carbazol-2-ium-10-yl)imino]propanoic acid,acetate

2-[[(Z)-2-acetamido-3-phenylprop-2-enoyl]amino]propanoic acid