title: 4-[3,5-Bis(ethoxy-carbon-yl)-2,6-dimethyl-4-pyrid-yl]pyridinium nitrate.
abstract: In the title mol-ecular salt, C(18)H(21)N(2)O(4) (+)·NO(3) (-), the dihedral angle between the two pyridine rings is 61.24 (8)°. In the crystal, the cation and anion are linked by inter-molecular N-H⋯O hydrogen bonds.
authors.affiliation: Department of Chemistry, Dezhou University, Shandong 253023, People's Republic of China.
authors.forename: Yumei
authors.initials: Y
authors.lastname: Li