Content: Progress in a time of change / Don R. Baker, Joseph G. Fenyes, and James J. Steffens -- 1,2,4-Triazolo[1,5-a]pyrimidine-2-sulfonanilide herbicides : influence of alkyl, haloalkyl, and halogen heterocyclic substitution on in vitro and in vivo biological activity / William A. Kleschick, Mark J. Costales, B. Clifford Gerwick, J.B. Holtwick, R.W. Meikle, W.T. Monte, N.R. Pearson, S.W. Snider, M.V. Subramanian, J.C. VanHeertum, and A.P. Vinogradoff -- 1,2,4-Triazolo[1,5-a]pyrimidine-2-sulfonanilide herbicides : influence of alkoxy heterocyclic substitution on in vitro and in vivo biological activity and soil decomposition / William A. Kleschick, C.M. Carson, Mark J. Costales, J.J. Doney, B. Clifford Gerwick, J.B. Holtwick, R.W. Meikle, W.T. Monte, J.C. Little, N.R. Pearson, S.W. Snider, M.V. Subramanian, J.C. VanHeertum, and A.P. Vinogradoff -- N-(substituted-2-fluorophenyl)- and N-(substituted-2-trifluoromethylphenyl)-1,2,4-triazolo-[1,5-a]pyrimidine-2-sulfonanilides : synthesis and herbicidal activity / Mark J. Costales, William A. Kleschick, and B. Clifford Gerwick -- New pyrazole sulfonylureas : synthesis and herbicidal activity / S. Yamamoto, T. Sato, K. Morimoto, and T. Nawamaki -- Synthesis and quantitative structure-activity relationships of pyridylsulfonylurea herbicides / S. Murai, Y. Nakamura, T. Akagi, N. Sakashita, and T. Haga -- Novel N-substituted imidazolinones : synthesis and herbicidal activity / M.A. Guaciaro, M. Los, D.L. Little, P.A. Marc, and L. Quakenbush -- Discovery of a new class of herbicides : sulfonyl carboxamides / S.I. Alvarado, A.D. Crews, P.J. Wepplo, R.F. Doehner, T.E. Brady, D.M. Gange, and D.L. Little -- Phenyl-substituted five-membered-ring heterocycles as bleaching herbicides / Frank X. Woolard -- 7-Phenyl-1,2,4-triazolo[1,5-a]pyrimidines and related heterocycles : a new family of bleaching herbicides / Thomas P. Selby, Tariq A. Andrea, L. Radu Denes, Bruce L. Finkelstein, Thomas P. Fuesler, and Ben K. Smith -- Diphenylpyridines, a new class of herbicides / Shinichi Kawamura, Tatsuhiro Hamada, Ryo Sato, Yuzuru Sanemitsu, Gerhard Sandmann, and Peter Babczinski -- Structure-activity relationships in 3-alkyl- and 3-aryl-5-isothiazolylureas : pre- and postemergence herbicides with two possible modes of action / R.E. Hackler, T.W. Waldrep, and S.V. Kaster -- Design and synthesis of 1-aryl-4-substituted-1,4-dihydro-5H-tetrazol-5-ones : a novel pre- and postemergence class of herbicides / George Theodoridis, Frederick W. Hotzman, Lynn W. Scherer, Bruce A. Smith, John M. Tymonko, and Michael J. Wyle -- Synthesis and herbicidal properties of aryltriazolinones : a new class of pre- and postemergence herbicides / George Theodoridis, Jonathan S. Baum, Frederick W. Hotzman, Mark C. Manfredi, Lester L. Maravetz, John W. Lyga, John M. Tymonko, Kenneth R. Wilson, Kathleen M. Poss, and Michael J. Wyle -- Novel pyrazole phenyl ether herbicides / Kurt Moedritzer, Sarah G. Allgood, Pana Charumilind, Robert D. Clark, Bruce J. Gaede, Mitchell L. Kurtzweil, Deborah A. Mischke, John J. Parlow, Michael D. Rogers, Rajendra K. Singh, Gina L. Stikes, and R. Keith Webber -- N-substituted-2,6-(polyfluoromethyl)dihydropyridine-3,5-dicarboxylates : synthesis and herbicidal activity / William F. Goure, Kindrick L. Leschinsky, Stephen J. Wratten, and John P. Chupp -- 5-Substituted-2,4-imidazolidinediones : synthesis and herbicidal activity / Siok-Hui Wee and Michael P. Prisbylla -- Cyanoacrylate inhibitors of photosynthetic electron transport : structural requirements for inhibitor potency and herbicidal activity / John L. Huppatz, Helen G. McFadden, Marie-Luise Huber, and Leslie F. McCaffery -- Synthesis and gametocidal activity of 1-aryl-5-(aminocarbonyl)-1H-pyrazole-4-carboxylic acids / Michael P. Lynch, Stephen A. Ackmann, Dale R. Heim, George E. Davis, Michael A. Staszak, James R. Beck, Edward E. Tschabold, and Fred L. Wright -- Discovery, isolation, and structure elucidation of a family of structurally unique, fermentation-derived tetracyclic macrolides / Herbert A. Kirst, Karl H. Michel, Jon S. Mynderase, Eddie H. Chio, Raymond C. Yao, Walter M. Nakasukasa, LaVerne D. Boeck, John L. Occlowitz, Jonathon W. Paschal, Jack B. Deeter, and Gary D. Thompson -- New series of milbemycin macrolides (LL-F28249) with endectocidal, insecticidal, and acaricidal activity : synthetic modification and biological activity / T.C. Barden, G. Asato, Z.H. Ahmed, D.J. France, V. Kameswaran, E. Parker-Jackson, S.Y. Tamura, S-S. Tseng, and B.L. Buckwalter -- Regio- and stereoselective synthesis of 13[beta]-substituted-milbemycins, including the 13[beta]-alkyl-milbemycins / Anthony C. O'Sullivan and Bruno Frei -- Highly efficacious non-ester pyrethroid insecticides with low toxicity to fish / Gary A. Meier, Thomas G. Cullen, Saroj Sehgel, John F. Engel, Susan E. Burkart, Scott M. Sieburth, and Charles M. Langevine -- 1,4-Diaryl-1-cyclopropylbutanes : highly efficacious insecticides with low fish toxicity / Thomas G. Cullen, Scott M. Sieburth, John F. Engel, Gary A. Meier, Albert C. Lew, Susan E. Burkart, Francis L. Marek, and James H. Strickland -- Insecticidal pyrroles : discovery and overview / R.W. Addor, T.J. Babcock, B.C. Black, D.G. Brown, R.E. Diehl, J.A. Furch, V. Kameswaran, V.M. Kamhi, K.A. Kremer, D.G. Kuhn, J.B. Lovell, G.T. Lowen, T.P. Miller, R.M. Peevey, J.K. Siddens, M.F. Treacy, S.H. Trotto, and D.P. Wright, Jr. -- Insecticidal pyrroles : arylpyrrolecarbonitriles incorporating a trifluoromethyl group / D.G. Kuhn, V.M. Kamhi, J.A. Furch, R.E. Diehl, S.H. Trotto, G.T. Lowen, and T.J. Babcock -- Insecticidal pyrroles : synthesis of bis-(trifluoromethyl)pyrroles via rearrangement of O-vinyloximes / V. Kameswaran, Roger W. Addor, and R.K. Ward -- Insecticidal dihydropyrazoles with reduced lipophilicity / Gary A. Meier, I. Robert Silverman, Partha S. Ray, Thomas G. Cullen, Syed F. Ali, Francis L. Marek, and Charles A. Webster -- N-benzoyl-N-alkyl-2-aminothiazole proinsecticides / Marty C. Wilkes, Paul B. Lavrik, and John Greenplate -- Diphenylamines. 1, Synthesis and structure-activity relationship development of novel N-(Substituted-phenyl)-N-alkyl-2-(trifluoromethyl)-4,6-dinitrobenzenamines leading to a potent miticide (El-462) / B.A. Dreikorn, K.E. Kramer, D.F. Berard, R.W. Harper, E. Tao, L.G. Thompson, and J.A. Mollet -- Diphenylamines. 2, Synthesis and miticidal activity of 2-alkyl-4,6-dinitro- and 4-alkyl-2,6-dinitrodiphenylamine analogs and derivatives / K.E. Kramer, B.A. Dreikorn, W.H. Humphreys, and J.A. Mollet -- Synthesis and reactivity of cyclic hydroxamic acids : resistance factors in the gramineae / Jeffrey Atkinson, John Arnason, Francisca Campos, Hermann M. Niemeyer, and Héctor R. Bravo -- Nematicidal activity of 5-substituted-2-S-(3,4,4-trifluoro-3-butenyl)-1,3,4-thiadiazoles / Thomas G. Cullen, James M. Willut, Carmen P. DiSanzo, and Anthony J. Martinez -- Fungicidal [beta]-methoxyacrylates : from natural products to novel synthetic agricultural fungicides / John M. Clough, Paul J. de Fraine, Torquil E.M. Fraser, and Christopher R.A. Godfrey -- Total synthesis of naturally occurring 1,2-dithiolo[4,3-b]pyrrolones and related compounds / Ian Dell, Christopher R.A. Godfrey, and David J. Wadsworth -- Phenylpyrroles, a new class of agricultural fungicides related to the natural antibiotic pyrrolnitrin / R. Nyfeler and P. Ackermann -- Synthesis of fungicidal phenylpyrroles / P.C. Knüppel, R. Lantzsch, and D. Wollweber -- Design of sterol reductase inhibitors : insights into the binding conformation of tertiary amine fungicides / Gregory S. Basarab, Robert S. Livingston, Steven J. Vollmer, Curt B. Johnson, and Kevin T. Kranis -- Mechanism of the antifungal action of (S)-2-amino-4-oxo-5-hydroxypentanoic acid, RI-331 : inhibition of homoserine dehydrogenase in Saccharomyces cerevisiae / H. Yamaki, M. Yamaguchi, and H. Yamaguchi -- A novel class of benzamide fungicides / David Bartholomew, Patrick J. Crowley, and I. Trevor Kay.