[1]
A. H. F. A. El-Wahab, H. M. Mohamed, A. M. El-Agrody, and A. H. Bedair, “The chemical reactivity of naphthols and their derivatives toward α-cyanocinnamonitriles and ethyl α-cyanocinnamates: A review of synthesis, reactions and applications of naphthopyrano”, Eur. J. Chem., vol. 4, no. 4, pp. 467–483, Dec. 2013.