Potapov, A. S., Nudnova, E. A., Khlebnikov, A. I., Ogorodnikov, V. D. and Petrenko, T. V. (2011), Synthesis of new polydentate pyrazolyl-ethene ligands by interaction of 1H-pyrazole and 1,1,2,2-tetrabromoethane in a superbasic medium. Journal of Heterocyclic Chemistry, 48: 645–651.
- DOI:
http://dx.doi.org/doi:10.1002/jhet.566