13031-60-2 3-04-00-01316 (Beilstein Handbook Reference) 3251-07-8 4-Aminobutyric acid methyl ester BRN 0635882 BUTYRIC ACID, 4-AMINO-, METHYL ESTER Butanoic acid, 4-amino-, methyl ester (9CI) GABA methyl ester Methyl 4-aminobutanoate Methyl 4-aminobutyrate Methyl gamma-aminobutyrate