SMILES: C(C(C[NH3+])O)C(=O)[O-]
Description: The molecule is zwitterionic form of gamma-amino-beta-hydroxybutyric acid having an anionic carboxy group and a protonated amino group. It is a conjugate acid of a 4-amino-3-hydroxybutanoate. It is a tautomer of a gamma-amino-beta-hydroxybutyric acid.