“Study of the Stability of the Biologically Active Compound N-[2-[4-Oxo-3(4H)-quinazolinyl]propionyl]-Guanidine Using Electrophoresis and Mass Spectrometry”. Sorbtsionnye i Khromatograficheskie Protsessy 24, no. 2 (May 28, 2024): 257–267. Accessed April 3, 2026. https://journals.vsu.ru/sorpchrom/article/view/12128.