Assertion: aromatic hydrocarbon | /r/MadeOf | benzene rings
Facets:
value: in its molecule
type: LOCATION
value: in their structures
type: LOCATION
Source sentences:
text: Hydrocarbons are divided into two general classes: aromatic hydrocarbons, which contain benzene rings in their structures, and aliphatic hydrocarbons, which are all the rest.
text: An aromatic hydrocarbon is any hydrocarbon that contains one or more benzene rings in its molecule.