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Definition of "pyrrole" []

  • A five-membered heterocyclic ring compound, C4H5N, having an odor similar to chloroform, that is the parent compound of protoporphyrin. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "pyrrole" in a sentence
  • "First reported in 1993 (ref. 2), it is part of a family of compounds known as pyrrole-imidazole alkaloids, which may help to deter fish from snacking on the sponge or prevent microbes from taking up residence."
  • "But I thought I used a simple SMILES when I typed C1CNCC1, but ChemSpider got it wrong : The correct structure should be pyrrolidine, not pyrrole."
  • "The main reason for the latter investigation was the synthesis of these natural pyrrole pigments."