... Address correspondence to: Dr. Juan C. Jaen. Parke-Davis Pharmaceutical Research. 2800 Plymouth Rd. Ann Arbor. MI 48105. ... Page 3. Kynurenic Acid Dericatices 51 1H 5, IH 8 Me 10 Me 14 I Journal of Medicinal Chemistry, 1995. Vol. 38, KO. 22 4441 ...