Gurrapu, Raju, Ramesh Poshala, and Bhaskar Kuthati. “Green Synthesis of Bis(indolyl)methane Derivatives Using PEG-400”. Asian Journal of Chemistry 30, no. 6 (April 30, 2018): 1369–1373. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/30_6_37.