Bogdan, N., Y. Borodkin, S. Sujkov, A. Khairulin, and S. Bogza. “Synthesis of Hetarylsubstituted pyrazolo[3,4-C] Isoquinolines under Pictet—Spengler Reaction Conditions”. Reports of the National Academy of Sciences of Ukraine, no. 4, May 2024, pp. 81-87, doi:10.15407/dopovidi2018.04.081.