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Squella, J.; Bollo, S.; Nunez-Vergara, L. . (2005). Recent Developments in the Electrochemistry of Some Nitro Compounds of Biological Significance. Current Organic Chemistry, 9(6), 565–581. doi:10.2174/1385272053544380 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research