1. Chemical Research and Development, Pfizer Global Research Division, Pfizer Inc., Eastern Point Road, Groton, Connecticut 06340, U.S.A., 2800 Plymouth Road, Ann Arbor, Michigan 48105, U.S.A., and Ramsgate Road, Sandwich, Kent CT13 9NJ, United Kingdom, and Global API Process Technology, Pfizer Global Manufacturing, Kalamazoo, Michigan 49007, U.S.A.