(untitled) - Boykin,D.W.; Kumar,A.; Spychala,J.M.; Zhou,M.; Lombardy,R.J.; Wilson,W.D.; Dykstra,C.C.; Jones,S.K.; Hall,J.E.; Tidwell,R.R.; Laughton,C.; Nunn,C.M.; et al. (J. Med. Chem., 1995)