Affiliation: | (1) Present address: Drug Disposition Department, Rhone Poulenc Rorer, Collegeville, Pennsylvania, 19426;(2) Departments of Medicinal Chemistry, SmithKline Beecham Pharmaceuticals, King of Prussia, Pennsylvania, 19406;(3) Present address: Department of Drug Delivery, SmithKline Beecham Pharmaceuticals, King of Prussia, Pennsylvania, 19406 |