“The effective method of preparing and chromatography-mass spectrometric studies of 4(1’,3’-dithiol-2’-ylidene)hydroquinoline-3-thione, hydroquino [3,4-b]-1,6,6a(λ4)tritiapentalene and 1’,3’-dithiol-2’-spiro-8-[thiino[2,3-c] hydroquinoline]”, sorpchrom, vol. 14, no. 4, Nov. 2019, Accessed: Apr. 03, 2026. [Online]. Available: https://journals.vsu.ru/sorpchrom/article/view/1532