Janková, Š.; Schulz, J.; Hybelbauerová, S.; Císařová, I.; Štěpnička, P.; Kotora, M. Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway: Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene. European Journal of Organic Chemistry 2013, 2013 (1), 44-47 DOI: 10.1002/ejoc.201201343.
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