Desai, Ranjit C.; Gratale, Dominick F.; Han, Wei; Koyama, Hiroo; Metzger, Edward; Lombardo, Victoria K.; MacNaul, Karen L.; Doebber, Thomas W.; Berger, Joel P.; Leung, Kwan; Franklin, Ronald; Moller, David E.; Heck, James V.; Sahoo, Soumya P. Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 20 p. 3541 - 3544