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Li, Lu; Mu, Xiaoyue; Liu, Wenbo; Wang, Yichen; Mi, Zetian; Li, Chao-Jun . (2016). Simple and Clean Photoinduced Aromatic Trifluoromethylation Reaction. Journal of the American Chemical Society, (), jacs.6b02782–. doi:10.1021/jacs.6b02782 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research