Buquinolate is an anticoccidial agent used in poultry, and the medicated chickens can produce higher levels of egg production and gain weight. Buquinolate does not interfere with the formation of immunity against coccidia.

2′,2′-Difluorodeoxyuridine (dFdU), the major metabolite of Gemcitabine, exhibits anticancer and antitumor activities, shows radiosensitization under hypoxic conditions, and can be used to study pancreatic cancer.

L-Alanyl-L-tryptophan is a dipeptide formed from L-alanyl and L-tryptophan, and is also a metabolite. L-Alanyl-L-tryptophan can be adsorbated on the surface of gold nanoparticles, and the Raman signal can be enhanced by SERS technology to obtain the enhanced Raman spectroscopy.