Kumar N, Lal C, Singh B, Patel AK. Synthesis and Biological Activities of Some Novel Spiro Heterocyclic Pyrrolizidine Derivatives of 11H-indeno[1,2-b]quinoxaline through 1,3-Dipolar Cycloaddition. ajc [Internet]. 2020 Apr. 29 [cited 2024 Jul. 23];32(5):1255-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/2527