Design, Synthesis, and Characterization of Three Kinds of ... Kenji Matsuda,? Nobuo Nakamura, Kazuyuki Takahashi, Katsuya Inoue, Noboru Koga, and Hiizu Iwamura”” ... Contribution from the Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan Received January 20, 1999 ... Abstract: Three kinds of nonlinearly n-conjugated hexadiazo compounds were obtained from the ...