Ziarani, Ghodsi Mohammadi, Alireza Badiei, Monireh Shakiba Nahad, and Malihe Hassanzadeh. “Application of SBA-Pr-SO3H in the Synthesis of Benzoxazole Derivatives”. European Journal of Chemistry 3, no. 4 (December 31, 2012): 433–436. Accessed June 18, 2024. https://www.eurjchem.com/index.php/eurjchem/article/view/673.