155. "Chlorinated Compounds in the Biosphere, Natural Production"; Gribble, G.W. Encyclopedia of Environmental Analysis and Remediation, Meyers, R.A., Ed.; John Wiley, New York, 1998, 972 (invited contribution).

156. "The Natural Production of Organochlorine Compounds"; Gribble, G.W. in "Chlorine and Chlorine Compounds in the Paper Industry," Ann Arbor Press, Chelsea, Michigan, 1998, Chapter 7 (invited contribution).

157. "Suppression of Inducible Nitric Oxide Synthase (iNOS) and Inducible Cyclooxygenase (COX-2) by Novel Triterpenoids in Primary Mouse Macrophages and a Macrophage Cell Line"; Suh, N.; Honda, T.; Finlay, H.J.; Barchowsky, A.; Williams, C.; Benoit, N.E.; Xie, Q.-W.; Nathan, C.; Gribble, G.W.; Sporn, M.B. Cancer Res. 1998, 58, 717.

158. "Naturally Occurring Organohalogen Compounds"; Gribble, G.W. Acct. Chem. Res. 1998, 31, 141 (invited contribution).

159. "Synthesis of Indole-3-carboxamides via a Haloform Cleavage Reaction of 3-Trifluoroacetyl-indole with Lithium Amides"; Hassinger, H.L.; Soll, R.M.; Gribble, G.W. Tetrahedron Lett. 1998, 39, 3095.

160. "Restricted Nitrogen Inversion in 9,10-Diazatetracyclo[,110.5,9]undecanes. Dynamic NMR Studies"; Bushweller, C.H.; Brown, J.H.; Harpp, K.S.; Hirth, B.H.; Barden, T.C.; D'Albis, J.N.; Gribble, G.W. J. Org. Chem. 1998, 63, 3775.

161. "Design and Synthesis of 23,24-Dinoroleanolic Acid Derivatives, Novel Triterpenoid-Steroid Hybrid Molecules"; Honda, T.; Gribble, G.W. J. Org. Chem. 1998, 63, 4846.

162. "Sodium Borohydride in Carboxylic Acid Media: A Phenomenal Reduction System"; Gribble, G.W. Chem. Soc. Rev. 1998, 27, 395 (invited contribution).

163. "New Syntheses of Pyrrolo[3,4-b]indoles, Benzo[b]furo[2,3-c]pyrroles, and Benzo[b]thieno- [2,3-c]pyrroles Utilizing the Reaction of Münchnones (1,3-Oxazolium-5-olates) with Nitroheterocycles"; Gribble, G.W.; Pelkey, E.T.; Switzer, F.L. Synlett 1998, 1061.

164. "Design and Synthesis of 2-Cyano-3,12-dioxoolean-1,9-dien-28-oic Acid, A Novel and Highly Active Inhibitor of Nitric Oxide Production in Mouse Macrophages"; Honda, T.; Gribble, G.W.; Suh, N.; Wang, Y.; Sporn, M.B. Bioorg. Med. Chem. Lett. 1998, 8, 2711.