Karelina, K.O., Zotova, I.S. and Potapov, A.Y. 2025. Application of HPLC-MS analysis in the study of formylation 2-alkyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-7(4H)-ones. Sorbtsionnye i Khromatograficheskie Protsessy. 25, 2 (Jun. 2025), 231-239.