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2. Gulea, M. Chem. Soc. Rev. 2016, 45, 494. (c) Nikoofar, K. Chem. Sci. Trans. 2013, 2, 691.
3. (a) Romanowski, F.; Klenk, H. In Ullmann's Encyclopedia of Industrial Chemistry; Wiley-VCH, Ed.; Wiley-VCH: Weinheim, 2000, Vol. 36, p. 609.
4. (b) Castanheiro, T.; Suffert, J.; Donnard, M.; Gulea, M. Chem. Soc. Rev. 2016, 45, 494.
5. (c) Nikoofar, K. Chem. Sci. Trans. 2013, 2, 691.