... С. Shaw, R. Noureldin and G. Gavin Departments of Medicinal Chemistry and Chemical Development, Wyeth-Ayerst Research, Princeton, NJ 08543 Received May 1 ... Heterocyclic Ckem., 27, 2151 (1990 ... McKittrick, A. Failli, RJ Steffan, RM Soil, P. Hughes, J. Schmid, AA Asselin, С ...