List of Articles Green route Open Access Article Abstract Page Full-Text 1 - Vitamin B12 used as effective biocatalyst for the synthesis of pyrano[2,3-c]cromenes and pyrano[2,3-d]pyrimidines Ghasem Marandi Reyhaneh Nadernia Nourallah Hazeri Malek Taher Maghsoodlou 10.30495/ijc.2022.689575