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Nametkin; Glagolewa Chemische Berichte, 1929 , vol. 62, p. 1572 Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1929 , vol. 61, p. 538 Full Text Show Details Hueckel et al. Justus Liebigs Annalen der Chemie, 1929 , vol. 474, p. 143