Marandi, G., Nadernia, R., Hazeri, N., & Maghsoodlou, M. T. (2022). Vitamin B12 used as effective biocatalyst for the synthesis of pyrano[2,3-c]cromenes and pyrano[2,3-d]pyrimidines. Iranian Journal of Catalysis, 12(1). https://doi.org/10.30495/ijc.2022.689575