Shi, Chunjie, and Yanfang Tai. “Zeolite-Assisted Regioselective Nitration of Toluene in Acetonitrile With Nitric Acid Acetic Anhydride”. Asian Journal of Chemistry 27, no. 7 (March 29, 2015): 2420–2422. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_7_18.