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. 2019;14(4). Accessed April 4, 2026. https://journals.vsu.ru/sorpchrom/article/view/1532