.gamma.-Aminobutanoic acid .gamma.-Aminobutyric acid 4-Aminobutanoic acid 4-Aminobutyric acid 56-12-2 Aminalon Butanoic acid, 4-amino- Butyric acid, 4-amino- GABA Gaballon Gamarex Gammalon Gammalone Gammar Gammasol Mielogen Mielomade NSC27418 Piperidic acid Piperidinic acid WLN: Z3VQ