SMILES: C1=CC=C(C=C1)[C@H](CC(=O)[O-])[NH3+]
Description: The molecule is an optically active form of 3-ammonio-3-phenylpropanoate having (S)-configuration. It is an enantiomer of a (R)-3-ammonio-3-phenylpropanoate. It is a tautomer of a (S)-3-amino-3-phenylpropanoic acid.