The molecule is an alpha-amino-acid cation that is the conjugate acid of 3-amino-L-alanine. It is a conjugate acid of a 3-amino-L-alanine and a 3-amino-L-alanine zwitterion. It is a tautomer of a 3-ammonio-L-alanine.
(2S)-2,3-bis(azaniumyl)propanoate