Gonane, known as perhydrocyclopentaphenanthrene, is a tetracyclic hydrocarbon ring structure and the fundamental steroid nucleus. It consists of a phenanthrene ring fused with a cyclopentane ring Stock Vector | Adobe Stock
Aromatic Hydrocarbon Benzene Molecular Ring Stock Photo - Alamy
Hydrocarbon structures and isomers (article) | Khan Academy
Do aromatic hydrocarbons have at least one planar ring with delocalized p electrons? | Socratic
A hydrocarbon consists of a benzene ring and two methyl groups. The methyl groups are located at opposite carbons and the molecule is perfectly symmetrical. Which option correctly describes the numbers of
Molecule Gallery - Aromatic Rings
Polycyclic aromatic hydrocarbon - Wikipedia
The Astrophysics & Astrochemistry Laboratory: Cosmic Complexity of Carbon: PAHs