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Peng, Han-Ying; Wu, Yu-Xi; Dong, Zhi-Bing . (2019). Cs2CO3-Promoted C(sp2)–N Formation of Dimethyl Thiocarbamate-Protected Indoles Using Tetramethylthiuram Monosulfide (TMTM). Synthesis, (), s-0039-1690214–. doi:10.1055/s-0039-1690214 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research