Quinazolines as potent and highly selective PDE5 inhibitors as potential therapeutics for male erectile dysfunction

Quinazolines as potent and highly selective PDE5 inhibitors as potential therapeutics for male erectile dysfunction Quinolines as extremely potent and selective PDE5 inhibitors as potential agents for treatment of erectile dysfunction 2-Phenylquinazolin-4(3H)-one, a class of potent PDE5 inhibitors with high selectivity versus PDE6 N-3-Substituted Imidazoquinazolinones:  Potent and Selective PDE5 Inhibitors as Potential Agents for Treatment of Erectile Dysfunction New pyrazolo[1′,5′:1,6]pyrimido[4,5-d]pyridazin-4(3H)-ones as potent and selective PDE5 inhibitors Substituted Pyrazolopyridines as Potent and Selective PDE5 Inhibitors:  Potential Agents for Treatment of Erectile Dysfunction Furoyl and Benzofuroyl Pyrroloquinolones as Potent and Selective PDE5 Inhibitors for Treatment of Erectile Dysfunction Substituted Pyrazolopyridopyridazines as Orally Bioavailable Potent and Selective PDE5 Inhibitors:  Potential Agents for Treatment of Erectile Dysfunction Optimization of purine based PDE1/PDE5 inhibitors to a potent and selective PDE5 inhibitor for the treatment of male ED Pyrimidinylpyrroloquinolones as Highly Potent and Selective PDE5 Inhibitors for Treatment of Erectile Dysfunction