Z-TRP-GLY-OH

2-[(2,2-二氯乙酰基)氨基]乙酸

N-((2,4-二氯苯氧基)乙酰基)-甘氨酸

2-[(Carboxymethyl)amino]-5-chlorobenzoic acid

2-[(2,4,6-trinitrophenyl)sulfonylamino]acetic acid