Transition metal(II) complexes featuring push-pull dianionic Schiff base ligands: synthesis, crystal structure, electrochemical, and NLO studies. - Celedon, Salvador; Roisnel, Thierry; Carrillo, David; Ledoux-Rak, Isabelle; Hamon, Jean-Rene; Manzur, Carolina (Journal of Coordination Chemistry, 2020)