Kurdyukov V, Tolmachev A. Polymethine dyes based on pyrylium salts with unsaturated cyclic groups in the 4-position . Dopov. Nac. akad. nauk Ukr. [Internet]. 2024 Sep. 23 [cited 2024 Dec. 23];(12):90-6. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/7839