Pyrrole is a heterocyclic aromatic organic compound, a five-membered ring with the formula C4H4NH. It is a colourless volatile liquid that darkens readily upon exposure to air. Substituted derivatives are also called pyrroles, e.g., N-methylpyrrole, C4H4NCH3. Porphobilinogen, a trisubstituted pyrrole, is the biosynthetic precursor to many natural ...
Found on
http://en.wikipedia.org/wiki/Pyrrole
any of a class of organic compounds of the heterocyclic series characterized by a ring structure composed of four carbon atoms and one nitrogen ...
Found on
http://www.britannica.com/eb/a-z/p/138
Ball-and-stick model of a pyrrole molecule. Black = carbon, blue = nitrogen, white = hydrogen > A heterocyclic, organic compound the molecules of which contain a ring of four carbon atoms and one nitrogen. Its chemical formula is C
4H
5N. Pyrrole is co...
Found on
http://www.daviddarling.info/encyclopedia/P/pyrrole.html
Divinylenimine;a heterocyclic compound found in many biologically important substances. ... Synonym: azole, imidole. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
(pir-ōl´) a toxic, basic, cyclic substance, obtained by destructive distillation of various animal substances and used in the manufacture of pharmaceuticals. Pyrrole. a substituted derivative of this structure. in general, a chemical derivative of t...
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: pir′ōl Definitions: 1. a heterocyclic compound found in many biologically important substances, heme. Synonyms: azole, imidole
Found on
http://www.medilexicon.com/medicaldictionary.php?t=74547
a colorless, toxic, liquid, five-membered ring compound, CHN, that is a component of chlorophyll, hemin, and many other important naturally occurring substances.
Found on
https://www.infoplease.com/dictionary/pyrrole
No exact match found.
