(E)-4-amino-3-chlorobut-2-enoic acid

L-谷氨酸钠

(RS)-1-(3,5-dimethoxyphenyl)-2-oxo-2-phenylethyl 4-aminobutanoate hydrochloride

2-(4'-hydroxy-[1,1'-biphenyl]-4-yl)-2-oxoethyl 4-aminobutanoate