[mass noun] A pungent liquid made by the reduction of pyrrole.
- ‘AAP motifs moderate the steric clash between the pyrrolidine ring and the O = C i - 4 carbonyl oxygen.’
- ‘Mysliwy et al. reported the formation of NPYR from sodium nitrite and pyrrolidine in vivo in dog stomach.’
- ‘These residues modulate the structural deformations caused by the pyrrolidine ring of Pro.’