benzenes C-nitro compound nitrobenzenes CHEBI:48109 A <em>C</em>-nitro compound with formula C<small>₆</small>H<small>_{(6−<em>n</em>)}</small>(NO<small>₂</small>)<small>_<em>n</em></small> (<em>n</em> can be from 1 up to 6, but is usually 1, 2 or 3). A closed class.