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Cacchi, S.; Fabrizi, G. (2005). Synthesis and Functionalization of Indoles Through Palladium-catalyzed Reactions. Chem. Rev. 105 (7): 2873. doi:10.1021/cr040639b. PMID16011327.
Humphrey, G. R.; Kuethe, J. T. (2006). Practical Methodologies for the Synthesis of Indoles. Chem. Rev. 106 (7): 2875. doi:10.1021/cr0505270. PMID16836303.
