P. S.  Dhote and V. Ramana, C., ?Rediscovering Bacon's hydrazine/phenylhydrazine mediated cyclization of 2,2 `-dicarbonylbi(hetero)aryls: construction of (5-azo)-/indazolo[2,3-a]quinolines?, Organic & Biomolecular Chemistry, vol. 20, no. 3, pp. 636-648, 2022.