Valnemulin HCl is a broad-spectrum bacteriostatic agent inhibiting protein synthesis in bacteria by binding to the peptidyl transferase component of the 50S subunit of ribosomes.

Oxazolone has been used as a haptenizing agent which can induce an inflammatory reaction in adult zebrafish intestinal tissues and this can be used as a model for gene expression studies of the two forms of inflammatory bowel disease like Crohn’s disease and ulcerative colitis.

IRL 2500 is an effective antagonist of the Endothelin receptor. IRL 2500 suppresses ETB receptor-mediated blood pressure increase and renal vascular resistance in rats in vivo.