(dated) Alternative spelling of pyrrole

(organic chemistry) Pertaining to, or having a structure based on, a pyrrole

(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.

plural of pyrrole

plural of pyrrol

(organic chemistry) A bicyclic heterocycle consisting of a pyrrole ring fused to that of pyrrolidine

plural of pyrrolizidine

(organic chemistry) Any of a class of alkaloids, found in many plants, that are hepatotoxic.

plural of pyrrolizine

(organic chemistry) Any of several isomeric tricyclic heterocycles composed of a pyrrole ring fused to indoline