R. Kazemi-Rad, J. Azizan, and H. Kefayati, “Electrocatalytic multicomponent assembling of aminouracils, aldehydes and malononitrile: An efficient approach to 7-amino-pyrido[2,3-d]pyrimidine-6-carbonitrile derivatives”, J. Serb. Chem. Soc., vol. 81, no. 1, pp. 29–34, Feb. 2016.