Zhang, Mingzhu; Tamiya, Junko; Nguyen, Linh; Rowbottom, Martin W.; Dyck, Brian; Vickers, Troy D.; Grey, Jonathan; Schwarz, David A.; Heise, Christopher E.; Haelewyn, Jason; Mistry, Monica S.; Goodfellow, Val S. Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 9 p. 2535 - 2539