Pathak, Santosh, Dhananjay Singh, and Ved Prakash Singh. “Synthesis and Antiinflammatory Properties of N-Substituted Guanidines”. Asian Journal of Chemistry 23, no. 6 (March 2, 2011): 2483–2486. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/10448.