Benzoquinone

Benzoquinone is a quinone with a single benzene ring, of which there are only two:

1,4-Benzoquinone, most commonly (also para-benzoquinone, p-benzoquinone, para-quinone, or just quinone)
1,2-Benzoquinone, less commonly (also ortho-benzoquinone, o-benzoquinone, ortho-quinone)

This disambiguation page lists chemical compounds articles associated with the same name.
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