Affiliation: | a Pharmacia, Department of Medicinal Chemistry, 4901 Searle Parkway, Skokie, IL 60077, USA b Pharmacia, Department of Medicinal Chemistry, 700 North Chesterfield Parkway, St. Louis, MO 63198, USA c Molecular Simulations, Inc., 736 Bellerive Manor Dr., St. Louis, MO 63141, USA |