1. Scripps Research; North Torrey Pines Road La Jolla CA 92037 USA
2. Pfizer Medicinal Sciences; Eastern Point Road Groton CT 06340 USA
3. Department of Chemistry; La Jolla Laboratories; Pfizer; 10770 Science Center Drive San Diego CA 92121 USA
4. Department of Discovery Chemistry; Bristol-Myers Squibb Company; Research and Development; P.O. Box 4000 Princeton NJ 08543 USA
5. Department of Discovery Chemistry; Bristol-Myers Squibb Research and Development; 5 Research Parkway Wallingford CT 06492 USA