Wiktionary
defibrotide
n. A DNA derivative used as an anticoagulant.
Wikipedia
Defibrotide
Defibrotide (Defitelio, Gentium) is a deoxyribonucleic acid derivative (single-stranded) derived from cow lung or porcine mucosa. It is an anticoagulant with a multiple mode of action (see below).
It has been used with antithrombin III.