Template:Annulenes - OilfieldWiki

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Even–numbered	Cyclobutadiene Benzene Cyclooctatetraene Cyclodecapentaene Cyclododecahexaene Cyclotetradecaheptaene Cyclohexadecaoctaene Cyclooctadecanonaene Cycloicosadecaene Cyclodocosaundecaene

Odd–numbered	Cyclopropene Cyclopentadiene Cycloheptatriene Cyclononatetraene Cycloundecapentaene Cyclotridecahexaene

Compounds in italics are aromatic