title: 2-Amino-6-methyl-pyridinium 4-nitro-benzoate.
abstract: In the crystal structure of the title salt, C(6)H(9)N(2) (+)·C(7)H(4)NO(4) (-), the cations and anions are linked by N-H⋯O hydrogen bonds, forming chains running parallel to the b axis.
authors.affiliation: State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093, People's Republic of China.
authors.forename: Wei-Min
authors.initials: WM
authors.lastname: Dai
authors.forename: He
authors.initials: H
authors.lastname: Zhou
authors.forename: Yi-Qiao
authors.initials: YQ
authors.lastname: Hu