English: Hypothetical structural diagram of orho-xylene (1,2-methylbenzene) with a cyclohexatriene core, with a SINGLE bond between the methylated carbons (1 and 2). One of the two forms used in the "resonance" model of the molecule, an approximation of the pi bonding delocalized over the whole ring. See File:O_xylene_B.png.
Created with the GNU/Linux Gimp image editor, based on File:O xylène.png.
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