2-(4-hydroxy-3-methoxyphenyl)-2-oxoethyl 4-aminobutanoate

(2S,3'S,5'R,6'R)-6'-(3-Carboxy-propyl)-[2,3']bipiperidinyl-5'-carboxylic acid

N-γ-L-glutamyl-4-aminobutyric acid

乙醚

5-hydroxyimino-octadecanoic acid