Ugarkar, Bheemarao G.; DaRe, Jay M.; Kopcho, Joseph J.; Browne III, Clinton E.; Schanzer, Juergen M.; Wiesner, James B.; Erion, Mark D. Journal of Medicinal Chemistry, 2000, vol. 43, # 15 p. 2883 - 2893 doi: 10.1021/jm000024g