amino peg5 amine

2-Amino-5-ureidopentanoic acid (Citrulline) 存在于肝脏中，不是蛋白质的构成成分，为人体脲循环的一个重要中间物，可与鸟氨酸、精氨酸合用治疗高氨血症。

5-Amino-3H-imidazole-4-Carboxamide (AICA) 是一种合成嘌呤（尤其是核碱基腺嘌呤和鸟嘌呤）的重要前体。

4-Amino-5-Bromopyrrolo[2,3-D]Pyrimidine (5-bromo-1H-pyrrolo[2,3-d]pyrimidin-4-amine) 是一种海洋来源的天然产物，存在于Echinodictyum sp.。

3-Amino-5-Hydroxybenzoic Acid (3-amino-5-hydroxy-benzoic acid) 是一种海洋来源的天然产物，存在于Salinispora arenicola。

2-Amino-5-phenylpyridine is a heterocyclic aromatic amine that is formed by pyrolysis of phenylalanine in proteins. It is in broiled sardines and is considered as potentially carcinogenic.