Sharma P, Sinha P. Green One-Pot Pseudo-Four Component Synthesis of Substituted 5-Cyano-2-imino-4-aryl/ heteroaryl-6-(phenylthio)-2H-pyran-3-carboxylic Acid Catalyzed by Montmorillonite K-10 Clay. ajc [Internet]. 2023 Oct. 31 [cited 2024 Nov. 22];35(11):2754-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/35_11_20