This compound is a specific phosphocyclopentyl ester that inhibits phospho-5 (PDE5) enzyme and is useful in the treatment of cardiovascular diseases, metabolites, central nervous system diseases, sexual dysfunction, etc.TOLLEFSON MICHAEL BRENT
· substituted 4-(2,2-diphenylethyl)pyridine-N-oxides for use as potent phosphodiesterase type 4 (PDE4) inhibitors · benzodiazepine site ligands bearing tricyclic pyridone moiety for human GABAA receptor · a novel isomer of ascididemin