Singh, Daroga, Bishwa Prakash Rai, and Vandana Singh. “1,3-Dipolar Cycloaddition Reaction of Benzonitrile Oxide With 4-Arylmethylene-2,4-Dihydro-2,5-Disubstituted-3H-Pyrazol-3-Ones”. Asian Journal of Chemistry 20, no. 8 (March 30, 2010): 6451–6456. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/12995.