3-Chlorotyrosine a specific marker of myeloperoxidase-catalyzed oxidation is markedly elevated in low-density lipoprotein isolated from human atherosclerotic intima. In particular myeloperoxidase halogenates tyrosine residues in plasma proteins and generates 3-chlorotyrosine (CY).

3,29-O-Dibenzoyloxykarounidiol is a natural product with regulate blood sugar level, has potent inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) induced by tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA).

Ulinastatin, as an urinary trypsin inhibitor (UTI), is a glycoprotein that is isolated from healthy human urine or synthetically produced.