1.
Tkachenko I, Kobzar YL, Shekera О, Shevchenko V. Synthesis of 4,4′-bis(nonafluorobiphenyl-4-oxyphenyl)-bis(trifluoromethyl)methane and a ladder polyether with spirobisindane fragments on its base . Dopov. Nac. akad. nauk Ukr. [Internet]. 2015 Jul. 28 [cited 2026 Jun. 20];(7):116-22. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/15131