Hodgetts, Kevin J.; Yoon, Taeyoung; Huang, Jianhua; Gulianello, Michael; Kieltyka, Andrzej; Primus, Renee; Brodbeck, Robbin; De Lombaert, Stephane; Doller, Dario Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 15 p. 2497 - 2500