Raymond N. Castle, Department of Chemistry, Brigham Young University, Provo, Utah.

• I. Physical Properties of Pyridazines 1Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahII. The Pyridazinones, Alkoxy- and Aryloxypyridazines, and Related Compounds 23James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaDuane L. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaIII. Halopyridazines 219Duane l. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahIV. Pyridazine Aldehydes, Ketones, and Alcohols 353Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahV. Pyridazinecarboxylic Acids 407James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaVI. Aminopyridazines 463Takenari Nakagome, Sumitomo Chemical Company, Ltd., Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVII. Nitropyridazines and Their Reduction Products (except Amines) 629Takenari Nakagome, Sumitomo Chemical Company, Ltd.,Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVIII. Pyridazine N-Oxides 675Takanobu Itai, Showa College of Pharmaceutical Sciences, Tokyo, JapanIX. Sulfur Compounds of Pyridazines 755M. Tisler, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaB. Stanovndik, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaAuthor Index 839Subject Index

Raymond N. Castle, Department of Chemistry, Brigham Young University, Provo, Utah.

• I. Physical Properties of Pyridazines 1Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahII. The Pyridazinones, Alkoxy- and Aryloxypyridazines, and Related Compounds 23James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaDuane L. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaIII. Halopyridazines 219Duane l. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahIV. Pyridazine Aldehydes, Ketones, and Alcohols 353Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahV. Pyridazinecarboxylic Acids 407James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaVI. Aminopyridazines 463Takenari Nakagome, Sumitomo Chemical Company, Ltd., Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVII. Nitropyridazines and Their Reduction Products (except Amines) 629Takenari Nakagome, Sumitomo Chemical Company, Ltd.,Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVIII. Pyridazine N-Oxides 675Takanobu Itai, Showa College of Pharmaceutical Sciences, Tokyo, JapanIX. Sulfur Compounds of Pyridazines 755M. Tisler, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaB. Stanovndik, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaAuthor Index 839Subject Index

Raymond N. Castle, Department of Chemistry, Brigham Young University, Provo, Utah.

• I. Physical Properties of Pyridazines 1Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahII. The Pyridazinones, Alkoxy- and Aryloxypyridazines, and Related Compounds 23James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaDuane L. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaIII. Halopyridazines 219Duane l. Aldous, College of Pharmacy, Xavier University of Louisiana, New Orleans, LouisianaRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahIV. Pyridazine Aldehydes, Ketones, and Alcohols 353Anne G. Lenhert, Department of Chemistry, Kansas State University, Manhattan, KansasRaymond N. Castle, Department of Chemistry, Brigham Young University, Provo, UtahV. Pyridazinecarboxylic Acids 407James W. Mason, Philco-Ford Corporation, Newport Beach, CaliforniaVI. Aminopyridazines 463Takenari Nakagome, Sumitomo Chemical Company, Ltd., Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVII. Nitropyridazines and Their Reduction Products (except Amines) 629Takenari Nakagome, Sumitomo Chemical Company, Ltd.,Takatsukasa, Takarazuka-shi, Hyogo-ken, JapanVIII. Pyridazine N-Oxides 675Takanobu Itai, Showa College of Pharmaceutical Sciences, Tokyo, JapanIX. Sulfur Compounds of Pyridazines 755M. Tisler, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaB. Stanovndik, Department of Chemistry, University of Ljubljana, Ljubljana, YugoslaviaAuthor Index 839Subject Index