Desai, Ranjit C.; Han, Wei; Metzger, Edward J.; Bergman, Jeffrey P.; Gratale, Dominick F.; MacNaul, Karen L.; Berger, Joel P.; Doebber, Thomas W.; Leung, Kwan; Moller, David E.; Heck, James V.; Sahoo, Soumya P. Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 16 p. 2795 - 2798