2-[[(2S)-2-amino-3-(3H-imidazol-4-yl)propanoyl]amino]acetic acid;2-[[(2S)-2-amino-3-(3H-imidazol-4-yl)-1-oxopropyl]amino]acetic acid;2-[[(2S)-2-amino-3-(3H-imidazol-4-yl)propanoyl]amino]ethanoic acid;Glycine, N-L-histidyl-;His-Gly;Histidylglycine
2-[[(2S)-2-amino-3-(3H-imidazol-4-yl)propanoyl]amino]acetic acid