2-({[(Pyridin-1-ium-2-ylmethyl)carbamoyl]formamido}methyl)pyridin-1-ium bis(3,5-dicarboxybenzoate): crystal structure and Hirshfeld surface analysis - Jotani, Mukesh M.; Sabrina Syed,; Siti Nadiah Abdul Halim,; Tiekink, Edward R. T. * (International Union of Crystallography, 2016)