This metabolite includes a PDE selectivity profile similar to sildenafil and an in vitro potency for PDE5 close to 50% with the father or mother drug. Plasma concentrations of the metabolite are approximately 40% of People seen for sildenafil, so the metabolite accounts for approximately 20% of sildenafil's pharmacologic consequences. https://donovanb7283.blogs100.com/34689197/not-known-details-about-viagra