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Keiji Tanino; Keisuke Arakawa; Mikiya Satoh; Yasuhiro Iwata; Masaaki Miyashita. (2006). Synthesis of alicyclic esters via an intramolecular conjugate addition reaction. New method for generating (Z)-vinylcopper species from 1,1-dibromoalkenes. , 47(6), 861–864. doi:10.1016/j.tetlet.2005.12.002 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research