P.  Kumar, Rai, A., Kumar, M., Krishna, G. Rama, and Das, U., ?Radical cascade cyclization of unactivated alkene-tethered indoles with aryldiazonium salt and sodium metabisulfite to access Azo- and Sulfonylated-2,3-Dihyro-1H-pyrrolo[1,2-a]indoles?, Journal of Organic Chemistry, vol. 88, no. 13, pp. 9123-9129, 2023.