methyl L-acosaminide, 2-aminobutyric acid methyl ester hydrochloride, l-cysteine methyl ester, H-L-Cys-OMe, DL-2-AMINO-N-BUTYRIC ACID METHYL ESTER HYDROCHLORIDE, Methyl 2-aminobutanoate hydrochloride, DL-2-aminobutyric acid methyl ester hydrochloride, Methyl L-cysteinate, methyl L-2-aminobutanoate hydrochloride, Methyl D-homoalaninate hydrochloride, methyl (2RS)-2-aminobutyrate hydrochloride