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Bolchi, Cristiano; Roda, Gabriella; Pallavicini, Marco . (2017). A simple route to synthesize ( <i>E</i> )-3 propyl-4-oxo-2-butenoic acid esters through the <i>Z</i> isomer. Synthetic Communications, (), 00397911.2017.1390587–. doi:10.1080/00397911.2017.1390587 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research