As nouns the difference between pyrrols and pyrrole
is that pyrrols is while pyrrole is (organic chemistry) any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, c4h5n.
(organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C4H5N.