Assertion: aromatic hydrocarbon | /r/HasProperty | naphthalene
Facets:
value: among the important condensed ring
type: OTHER
Source sentences:
text: Among the important condensed ring aromatic hydrocarbons are naphthalene and anthracene whose molecules consist of two and three hexagonal benzene rings, respectively, fused together along one side.
text: The aromatic hydrocarbon may be benzene, toluene, xylene, naphthalene, or the like, or two or more thereof.