Biswas, F. B.; Roy, T. G.; Rabi, S.; Islam, M. K. Synthesis, Characterization And Electrolytic Behavior Of Cadmium(II) Complexes Of 5,7,7,12,14,14- Hexamethyl-1,4,8,11-Tetraazacyclotetradeca-4,11- Diene And Isomers Of Its Saturated Analogue. ESJ 2016, 12, 186.