(untitled) - Young,W.B.; Kolesnikov,A.; Rai,R.; Sprengeler,P.A.; Leahy,E.M.; Shrader,W.D.; Sangalang,J.; Burgess-Henry,J.; Spencer,J.; Elrod,K.; Cregar,L. (Bioorg. Med. Chem. Lett., 2001)