pirrol 89
pyrrole . ( Compound of the g p?, red, blond, and of an elem. compos. ) LAT. ( oleum , oil). 1. m. Biol and Quím. Chemical product whose molecule is a cycle of five carbon atoms with a nitrogen Atom, and is part of the hemoglobins, chlorophylls, substances of great biological interest such as the bile pigments, etc.