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August Kekulé - Wikipedia
Bonding in Benzene: the Kekulé Structure - Chemistry LibreTexts
bonding in benzene - the Kekulé structure - chemguide
Benzene Structure (A-Level) - ChemistryStudent
Chemistry's visual origins - Nature
Structure of Benzene: Kekulé Model - JoVE
Kekule Structure of Benzene - StudySmarter