amino-peg-5-amine

3-Amino-5-Hydroxybenzoic Acid (3-amino-5-hydroxy-benzoic acid) is a marine derived natural products found in Salinispora arenicola.

4-Amino-5-Bromopyrrolo[2,3-D]Pyrimidine (5-bromo-1H-pyrrolo[2,3-d]pyrimidin-4-amine) is a marine derived natural products found in Echinodictyum sp.

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.

2-Amino-5-ureidopentanoic acid (Citrulline) exists in the liver, is not a protein component, is an important intermediate in the human urea cycle, can be combined with ornithine, arginine to treat hyperammonemia.

5-Amino-3H-imidazole-4-Carboxamide (AICA) is an imidazole derivative which is a metabolite of the antineoplastic agents BIC and DIC. By itself, or as the ribonucleotide, it is used as a condensation agent in the preparation of nucleosides and nucleotides. Compounded with orotic acid, it is used to treat liver diseases.