About OKAWA T
About Nagoya Univ., Nagoya, JPN
About EGUCHI S
About Nagoya Univ., Nagoya, JPN
About KAKEHI A
About Shinshu Univ., Nagano, JPN
About Journal of the Chemical Society. Perkin Transactions. 1
About chemical synthesis
About pyrazines
About Organop phosphorus compounds
About Purines,pteridines
About Crystal structure of heterocyclic compounds
About 3-[(Triphenylphosphoranylidene)amino]pyrazine-2-carboxylic acid methyl ester
About 炭素
About 多環化合物
About ピラジン-2-カルボン酸メチル
About 結晶構造
About プテリジン