Description; Packaging; 5, 25 mg in glass bottle; Biochem/physiol Actions; BRL 50481 is a potent and selective PDE7 inhibitor (IC50 = 260 nM).; Features and Benefits; This compound is a featured product for Cyclic Nucleotide research. Click here to discover more featured Cyclic Nucleotide products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.; This compound was developed by GlaxoSmithKline. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.; Legal Information; Sold for research purposes under agreement from GlaxoSmithKline