2-[[(2S)-2-aminopropanoyl]amino]acetic acid 2-[[(2S)-2-amino-1-oxopropyl]amino]acetic acid 2-[[(2S)-2-aminopropanoyl]amino]ethanoic acid 2-[[(2S)-2-azaniumylpropanoyl]amino]acetate 2-[[(2S)-2-ammonio-1-oxopropyl]amino]acetate 2-[[(2S)-2-ammoniopropanoyl]amino]acetate 2-[[(2S)-2-azaniumylpropanoyl]amino]ethanoate ZINC01888744