A single peptide toxic protein (MW 105 kDa) possessing membrane depolarizing and hemolytic activities; from venom of greater weever fish, T. draco.

An anticoagulant factor from the saliva of vampire bat (Desmodus rotundus); inhibits the activated form of coagulation factors IX and X.

A nucleoside transport inhibitor; has cardioprotective effect; draflazine is the (-)-enantiomer; R 88016 is the (+)-enantiomer.

Has antinociceptive, anti-inflammatory, and antidiarrhoeal properties; isolated from the red sap of Croton urucurana.

A polyacrylonitrile polymer used as substrate for hepatocyte growth.