TY JOUR TI THE PROOF OF FORMATION S-SODIUM SALT OF 6-METHYL-2-THIOURACIL KW 6-methyl-2-thiouracil KW infrared and proton magnetic resonance spectroscopy KW 6-метил-2-тиоурацил KW инфракрасная и протонная магнитно-резонансная спектроскопии JO Herald of Technological University AU Titova, E.S. AU Babkin, V.A. AU Zaikov, G.E. AU Emelina, O.Y. AU Lisina, L.M. PY 2025 IS 17 PB Kazan National Research Technological University