4-氨基丁酸盐酸盐

4-氨基丁酸乙酯

1-脒基-3-(3-羧基丙基)脲

7-氯-2,3-二氢吡咯并[2,1-b]喹唑啉-9(1h)-酮

4-[[(3-fluoro-6-oxocyclohexa-2,4-dien-1-ylidene)-phenylmethyl]amino]butanoic acid