Z-GLY-GLU-OH

Z-GLYCYL-L-GLUTAMIC ACID

2-[[2-(benzyloxycarbonylamino)acetyl]amino]glutaric acid

2-[2-(phenylmethoxycarbonylamino)ethanoylamino]pentanedioic acid

2-[[2-(phenylmethoxycarbonylamino)acetyl]amino]pentanedioic acid