Bis[N-2-hydroxyethyl,N-methyldithiocarbamato-κ2 S,S)'-4-{[(pyridin-4-ylmethylidene)hydrazinylidene}methyl]pyridine-κN 1)zinc(II): crystal structure and Hirshfeld surface analysis - Broker, Grant A.; Jotani, Mukesh M.; Tiekink, Edward R. T. * (International Union of Crystallography, 2017)