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Woźniak, Łukasz; Murphy, John J.; Melchiorre, Paolo . (2015). Photo-organocatalytic Enantioselective Perfluoroalkylation of β-Ketoesters. Journal of the American Chemical Society, 137(17), 5678–5681. doi:10.1021/jacs.5b03243 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research