The asymmetric unit of the title compound, C(5)H(8)N(3) (+)·C(7)H(4)ClO(2) (-)·C(7)H(5)ClO(2), contains an ion pair and a 3-chloro-benzoic acid mol-ecule. In the cation, the pyridine N atom is protonated. In the crystal, the components are connected via N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds, thereby forming sheets lying parallel to (100).
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.