Al-Awar, Rima S.; Ray, James E.; Hecker, Kyle A.; Huang, Jianping; Waid, Philip P.; Shih, Chuan; Brooks, Harold B.; Spencer, Charles D.; Watkins, Scott A.; Patel, Bharvin R.; Stamm, Nancy B.; Ogg, Catherine A.; Schultz, Richard M.; Considine, Eileen L.; Faul, Margaret M.; Sullivan, Kevin A.; Kolis, Stanley P.; Grutsch, John L.; Joseph, Sajan Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 12 p. 3217 - 3220