Sep-Oct 1999 Synthesis of 4,5-Dichloro-l-(4,5-dichloropyridazin-3-yl)pyridazin-6-one Deok-Heon Kweon, Young-Jin Kang, Hyun-A Chung, Jung-Won Park, Woo Song Lee and Yong-Jin Yoon* Department of Chemistry and Research Institute of Natural Sciences, Gyeongsang National University, Chinju 660-701, Korea Sung-Kyu Kim Department of Science Education, Chinju National University of Education, Chinju 660-756, Korea Motoo Shiro Rigaku Corporation, 3-9-12 ...