Filipski, Kevin J.; Bian, Jianwei; Ebner, David C.; Lee, Esther C.Y.; Li, Jian-Cheng; Sammons, Matthew F.; Wright, Stephen W.; Stevens, Benjamin D.; Didiuk, Mary T.; Tu, Meihua; Perreault, Christian; Brown, Janice; Atkinson, Karen; Tan, Beijing; Salatto, Christopher T.; Litchfield, John; Pfefferkorn, Jeffrey A.; Guzman-Perez, Angel Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 1 p. 415 - 420