氯乙酰基-天冬氨酸

threo-(2R,3S)-3-chloroaspartic acid

DL-天冬氨酸

(2S,3R)-3-[[(1S)-1-carboxy-2-(1H-imidazol-5-yl)ethyl]amino]-2-[[(2S)-2,4-diamino-4-oxobutanoyl]amino]butanoic acid

H-天冬氨酰-天冬氨酸