1. 1. Tolmachev, A. I., Slominskii, Yu. L. & Ishchenko, A. A. (1998). New cyanine dyes absorbing in the NIR region. New infrared dyes for high technology applications. NATO ASI Series 3: High Technology, Vol. 52 (pp. 385-415). Dordrecht: Springer.
2. Study of the noncovalent interaction of squarylium dyes with serum albumins;Tatikolov;High Energy Chem 44 No 4,2010
3. 2. Ishchenko, A. A., Kudinova, M. A., Slominskii, Yu. L. & Tolmachev, A. I. (1986). Pyrylo-polycarbocianines containing cyclic groops. Zhurn. organ. khimii, 22, Iss. 1, pp. 170-178 (in Russian).
4. 3. Mayboroda, E. I., Slominskii, Yu. L. & Tolmachev, A. I. (2002). Thiacarbocyanines containing ethylene or vinylene bridging groups and substituents in chromophore. Ukr. khim. zhurn., 69, No. 6, pp. 106-111 (in Russian).
5. Synthesis of unsymmetrical thioflavilium dyes from julolidine derivatives and polifluorinated triphenyldihydropyrasoles;Kargapolova;Russ J Org Chem 52 No 1,2016