About CIBURA K
About Ruhr-Univ. Bochum, West Germany
About GERSTENBERGER M R C
About Ruhr-Univ. Bochum, West Germany
About HAAS A
About Ruhr-Univ. Bochum, West Germany
About KIRSTE B
About Freie Univ. Berlin, FRG
About Journal of Heterocyclic Chemistry
About chemical synthesis
About non-fused polycyclic compound
About Pyrroles
About 複素環
About ハロゲン化
About 塩
About ラジカル
About 二量化