4-acetyl-3-hydroxy-2-(2-methylpropyl)-1,2-dihydropyrrol-5-one

L-亮氨酸

benzyl (2S)-2-[[(2S)-1-methoxy-4-methyl-1-oxopentan-2-yl]carbamoyl]pyrrolidine-1-carboxylate

环(L-脯氨酰-L-亮氨酰)

苯丁抑制素盐酸盐