PDE
- A3817 SildenafilTarget: Phosphodiesterases (PDEs)Summary: PDE5 inhibitor, selective
- A3713 PF-04447943Summary: PDE9 inhibitor
- A3683 Olprinone HydrochlorideSummary: Phosphodiesterase 3 (PDE3) inhibitor, selective
- A3665 NortadalafilSummary: PDE5 inhibitor
- A3178 AN-2728Summary: PDE4 inhibitor,anti-inflammatory compound