Momenpour Surchani, Mandana, et al. “2,2’-Bipyridine: An Efficient Organo-Catalyst for the Synthesis of pyrano[2,3-d]pyrimidine and pyrido[2,3-d]pyrimidine Derivatives”. Iranian Journal of Catalysis, vol. 14, no. 3, July 2024, https://doi.org/10.57647/j.ijc.2024.1403.27.