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Pombrik, S. I.; Peregudov, A. S.; Kravtsov, D. N., "Investigation of the transmission of the electronic effects of substituents in 4- and 4′-fluorobenzyl ethers by the19F NMR method " , Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1985 , vol. 34, # 3 p. 508 - 511
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dx.doi.org/10.1007/BF00947711
