+++Thanks_FIN1_1 article from Eur J Org Chem

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Silyl-mediated halogen/halogen displacement in pyridines and other heterocycles
European Journal of Organic Chemistry (2002), (24), 4181-4184

DOI:

http://dx.doi.org/10.1002/1099-0690(200212)2002:24<4181::AID-EJOC4181>3.0.CO;2-M

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http://onlinelibrary.wiley.com/doi/10.1002/1099-0690(200212)2002:24%3C4181::AID-EJOC4181%3E3.0.CO;2-M/pdf

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