List of drugs: Mep–Mes PDE3 inhibitor PDE9 Phosphodiesterase-4 inhibitor CC-1088 Phosphodiesterase inhibitor PDE10 PDE11 Filaminast Arofylline Piclamilast EHNA Irsogladine 8-Methoxymethyl-3-isobutyl-1-methylxanthine Siguazodan HT-0712 Homosildenafil Zardaverine Quazinone Zaprinast Ibudilast BRL-50481 Moxaverine Trapidil Mardepodect SCH-51866 Enoximone Doxofylline Cilomilast Furafylline BAY 73-6691 Papaverine Rolipram Ensifentrine Sulfoaildenafil Milrinone Udenafil Acetildenafil Pentifylline Trequinsin Mirodenafil KMUP-1 YM-976 Vinpocetine Bucladesine Nitrosoprodenafil ICI-63197 Atizoram Aildenaf…

fil Amrinone Avanafil Discovery and development of phosphodiesterase 5 inhibitors MY-5445 Pimobendan Tadalafil Cilostamide Apremilast Tofisopam T-0156 Crisaborole Roflumilast Finasteride/tadalafil Lodenafil Vesnarinone PDE5 inhibitor Anagrelide Enprofylline Dipropylcyclopentylxanthine Icariin Pentoxifylline Aminophylline Dipyridamole Vardenafil Proxyphylline Propentofylline Mesembrenone Choline theophyllinate IBMX Theobromine Mesembrine Sildenafil

Cartazolate Theophylline Etazolate 8-Cyclopentyl-1,3-dimethylxanthine Tracazolate Diprophylline Paraxanthine Glaucine Caffeine