Front Cover; Progress in Medicinal Chemistry, Volume 34; Copyright Page; Contents; Preface; Chapter 1. Pharmacology of Alzheimer's Disease; Chapter 2. Recent Advances in the Medicinal Chemistry and Pharmacology of Camptothecin; Chapter 3. Prodrug Design for Phosphates and Phosphonates; Chapter 4. Aldehydes as Biocides; Chapter 5. Synthetic Methods for Enantiomers of Drugs; Subject Index; Cumulative Index of Authors for Volumes 1-34; Cumulative Index of Subjects for Volumes 1-34