Like cyclopropane, the carbon ring of cyclopropene is planar.

Dyes get their color frequently because there is an extended number of carbon-to-carbon double bonds or carbon rings.

Heterocyclics with relatively simple structures are pyrrole (5-membered) and indole (6-membered carbon ring).

Chemically, its molecular structure is composed of carbon rings clustered together with nitrogen, and having chlorine atoms attached.

Accommodation for station crew members are found on the carbon ring.

Carbons can bond to form extremely complex molecules, including carbon rings.

Many organic compounds that are essential to life on earth are formed by carbon rings.

He began to analyze each aromatic component by class, ordering them by number of carbon rings.

Phenolics combine an aromatic carbon ring with a hydroxyl group.

Five-membered carbon rings are ubiquitous structural motifs in natural products.