(1)
Kolosov, M. A.; Kulyk, O. G.; Chepelieva, L. V.; Orlov, V. D. Ethylation of 5-Acetyl-5-Methyl-7-Phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine. Khark. Univ. Bull. Chem. Ser. 2013, 39-44.