1. Chemical and Screening Sciences, Wyeth Research, 401 N. Middletown Road, Pearl River, New York 10965, Chemical & Screening Sciences, Wyeth Research, 500 Arcola Road, Collegeville, Pennsylvania 19426, Discovery Neurosciences, Wyeth Research, Princeton, New Jersey 08852, and Drug Safety & Metabolism, Wyeth Research, 500 Arcola Road, Collegeville, Pennsylvania 19426