(organic chemistry, particularly in combination) A functional group consisting of a pyrrole ring fused onto another part of the molecule.

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

(organic chemistry) Any of several isomeric tetracyclic heterocycles composed of a pyrrole ring fused to a carbazole moiety

plural of pyrroloindoline

(organic chemistry) Any heterocyclic ketone derived from pyrrole

plural of pyrrolone

(organic chemistry) Any of a family of compounds containing a pyrrole ring fused to the benzene ring of a quinoline

plural of pyrrolopyridine

(organic chemistry) Any heterobicyclic compound containing fused pyrrole and pyridine rings

(organic chemistry) A tricyclic aromatic heterocycle composed of a pyrrole ring fused to one of indole