Quinolines as extremely potent and selective PDE5 inhibitors as potential agents for treatment of erectile dysfunctionYingzhi Bi, John E. Macor, Ron Pongrac et al.|Bioorganic & Medicinal Chemistry Letters|2004Cited by 49
Substituted Pyrazolopyridopyridazines as Orally Bioavailable Potent and Selective PDE5 Inhibitors: Potential Agents for Treatment of Erectile DysfunctionGuixue Yu, John E. Macor, Helen J. Mason et al.|Journal of Medicinal Chemistry|2003Cited by 38
The discovery of novel, potent and selective PDE5 inhibitorsYingzhi Bi, John E. Macor, Andrew J. Watson et al.|Bioorganic & Medicinal Chemistry Letters|2001Cited by 30