Affiliation: | a Department of Chemistry, Parke-Davis Pharmaceutical Research Division, Warner-Lambert Company 2800 Plymouth Rd., Ann Arbor, MI 48105 U.S.A. b Department of Immunopathology, Parke-Davis Pharmaceutical Research Division, Warner-Lambert Company 2800 Plymouth Rd., Ann Arbor, MI 48105 U.S.A. c Department of Biochemistry Parke-Davis Pharmaceutical Research Division, Warner-Lambert Company 2800 Plymouth Rd., Ann Arbor, MI 48105 U.S.A. |