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  1. August Kekulé - Wikipedia

  2. Bonding in Benzene: the Kekulé Structure - Chemistry LibreTexts

  3. bonding in benzene - the Kekulé structure - chemguide

  4. Benzene Structure (A-Level) - ChemistryStudent

  5. Chemistry's visual origins - Nature

  6. Structure of Benzene: Kekulé Model - JoVE

  7. Kekule Structure of Benzene - StudySmarter