(untitled) - Das,J.; Moquin,R.V.; Liu,C.; Doweyko,A.M.; Defex,H.F.; Fang,Q.; Pang,S.; Pitt,S.; Shen,D.R.; Schieven,G.L.; Barrish,J.C.; Wityak,J. (Bioorg. Med. Chem. Lett., 2003)