Camphor, cholesterol, decalin, norbornane, ... .
For more see wikipedia for bicyclic and polycyclic compounds.
Benzene is an organic molecule made up of six carbon atoms connected to form a ring. This is called the benzene ring. The benzene ring structure occures in several other, more complex, organic moleculed.
No. Steroids are steroids. Chemically speaking, a steroid is a compound with a particular type of hydrocarbon ring system in it (three six-membered rings and one five-membered ring, fused together).
A benzopyran is a bicyclic heterocycle consisting of a benzene ring fused to that of pyran.
Carbazole is an aromatic heterocyclic organic compound. It has a tricyclic structure, consisting of two six-membered benzene ring fused on either side of a five-membered nitrogen-containing ring.
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Fused heterocylic compounds is a heterocylic compound (eg. Furan) fused with another ring which can be either a carbon ring (benzene) or can be fused with another heterocylic ring(Pyridine,Pyrrole,...etc). Fused heterocyclics can be either 2 fused rings,3 rings or more. From the famous examples on fused heterocylic compounds: -Heroin -Indole -Morphine -Carbazole
A benzazepine is any of the class of heterocyclic compounds consisting of a benzene ring fused to an azepine ring.
Compounds that do not contain a ring.
Benzene
aromatic compound
Philip Lewis Stotter has written: 'A Diels-Alder construction of trans fused ring compounds having angular substituents' -- subject(s): Diels-Alder reaction, Heterocyclic compounds, Ring formation (Chemistry)
A gibbane ring is a type of plant growth hormone or compounds containing a gibbane ring system, e. g. gibberellin.
Steroid refers to the group name for lipids that contain a hydrogenated cyclopentanoperhydrophenanthrene ring system.
Benzene is an organic molecule made up of six carbon atoms connected to form a ring. This is called the benzene ring. The benzene ring structure occures in several other, more complex, organic moleculed.
it is a large family: for instance Ortho-fused" and "ortho- and peri-fused" ring compounds like Benz[z]isoquinoline, Thieno[2,3-b]furan, 7H-Pyrazino[2,3-c]carbazole, 5H-Pyrido[2,3-d]-o-oxazine, Selenazolo[5,4-f]benzothiazole, Imidazo[1,2-b][1,2,4]triazine
In Phenol, the compounds are in ring formation.
Sugars are a group of compounds carbohydrates, and are built of cyclic compounds. Simple sugars are called monosaccharides have just one ring, disaccharides have two fused by an "ether" link. and are Table sugar is sucrose a disaccharide made of two linked monosaccharides glucose and fructose, C12H22O11