1. Department of Medicinal Chemistry, Victorian College of Pharmacy, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia, AMRAD, 576 Swan Street, Richmond, Victoria 3121, Australia, Department of Molecular Pharmacology, Neurobiology Unit, Roche Bioscience, 3401 Hillview Avenue, R2-101, Palo Alto, California 94304, Department of Medicinal Chemistry, GlaxoWellcome Research Group, Gunnels Road, Stevenage, Hertsfordshire SG1 2NY, U.K., Astra Pharmaceuticals, P.O. Box 428, Abbotsford,...