![Identification, synthesis and SAR of amino substituted pyrido[3,2b]pyrazinones as potent and selective PDE5 inhibitors]()
Identification, synthesis and SAR of amino substituted pyrido[3,2b]pyrazinones as potent and selective PDE5 inhibitorsDafydd R. Owen; John K. Walker; E. Jon Jacobsen; John N. Freskos; Robert O. Hughes; David L. Brown; Andrew S. Bell; David G. Brown; Christopher Phillips; Brent V. Mischke; John M. Molyneaux; Yvette M. Fobian; Steve E. Heasley; Joseph B. Moon; William C. Stallings; D. Joseph Rogier; David N.A. Fox; Michael J. Palmer; Tracy Ringer; Margarita Rodriquez-Lens; Jerry W. Cubbage; Radhika M. Blevis-Bal; Alan G. Benson; Brad A. Acker; Todd M. Maddux; Michael B. Tollefson; Brian R. Bond; Alan MacInnes; Yung Yu · 2009