“Preliminary Evaluation of a Recyclable Copper(I) Iodide/[BMIM][BF₄] Catalytic System for the Synthesis of N-Benzyl 17-Spiro-5′-oxazolidin-2′-ones with the Estrane Skeleton”, Hung. J. Ind. Chem., vol. 53, no. 2, pp. 101–106, Dec. 2025, doi: 10.33927/hjic-2025-24.