Illustrated Glossary of Organic Chemistry

Hydroquinone: p-Dihydroxybenzene (IUPAC 1,4-dihydroxybenzene), or a molecule containing this moiety. The reduced form of p-benzoquinone.

Bond-line structure drawing of hydroquinone.


Culpin, a hydroquinone antibiotic natural product. The hydroquinone moiety is shown in red.