About IBRAHIM Y A
About Cairo Univ., Giza, EGY
About ELWAHY A H M
About Cairo Univ., Giza, EGY
About ABBAS A A
About Cairo Univ., Giza, EGY
About Tetrahedron
About polynuclear aromatic compound
About formazan
About Eight or more-membered heterocyclic compounds
About ピルビン酸
About 誘導体
About 環状
About クラウン
About ホルマザン