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Kerins, Louise; Byrne, Sylvester; Gabba, Adele; Murphy, Paul V. . (2018). Anomer Preferences for Glucuronic and Galacturonic Acid and Derivatives and Influence of Electron Withdrawing Substituents. The Journal of Organic Chemistry, (), acs.joc.8b00610–. doi:10.1021/acs.joc.8b00610 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research