(2S)-2-[[(2S)-2-aminopropanoyl]amino]propanoic acid (2S)-2-[[(2S)-2-amino-1-oxopropyl]amino]propanoic acid (2S)-2-(alanylamino)propionic acid 05250_FLUKA A9502_SIGMA EINECS 217-751-7 N-L-Alanyl-L-alanine (2S)-2-[[(2S)-2-azaniumylpropanoyl]amino]propanoate (2S)-2-[[(2S)-2-ammonio-1-oxopropyl]amino]propanoate (2S)-2-[[(2S)-2-ammoniopropanoyl]amino]propionate ZINC01575493